125543371041 has 63 divisors (see below), whose sum is σ = 207069854467. Its totient is φ = 76023113760.

The previous prime is 125543371039. The next prime is 125543371049. The reversal of 125543371041 is 140173345521.

The square root of 125543371041 is 354321.

It is a perfect power (a square), and thus also a powerful number.

125543371041 is a `hidden beast` number, since 1 + 2 + 5 + 543 + 3 + 7 + 104 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 64482984225 + 61060386816 = 253935^2 + 247104^2 .

It is not a de Polignac number, because 125543371041 - 2¹ = 125543371039 is a prime.

It is a super-2 number, since 2×125543371041² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125543370987 and 125543371005.

It is not an unprimeable number, because it can be changed into a prime (125543371049) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 105232741 + ... + 105233933.

Almost surely, 2^125543371041 is an apocalyptic number.

125543371041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

125543371041 is the 354321-st square number.

125543371041 is the 177161-st centered octagonal number.

It is an amenable number.

125543371041 is a deficient number, since it is larger than the sum of its proper divisors (81526483426).

125543371041 is an frugal number, since it uses more digits than its factorization.

125543371041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426 (or 1207 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

Multiplying 125543371041 by its sum of digits (36), we get a square (4519561357476 = 2125926²).

The spelling of 125543371041 in words is "one hundred twenty-five billion, five hundred forty-three million, three hundred seventy-one thousand, forty-one".