125443545101 has 24 divisors (see below), whose sum is σ = 154305365760. Its totient is φ = 101516587200.

The previous prime is 125443545067. The next prime is 125443545103. The reversal of 125443545101 is 101545344521.

It is a happy number.

It is not a de Polignac number, because 125443545101 - 2³⁴ = 108263675917 is a prime.

It is a super-2 number, since 2×125443545101² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125443545103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 944831 + ... + 1069388.

It is an arithmetic number, because the mean of its divisors is an integer number (6429390240).

Almost surely, 2^125443545101 is an apocalyptic number.

It is an amenable number.

125443545101 is a deficient number, since it is larger than the sum of its proper divisors (28861820659).

125443545101 is a wasteful number, since it uses less digits than its factorization.

125443545101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014305 (or 2014298 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 125443545101 its reverse (101545344521), we get a palindrome (226988889622).

The spelling of 125443545101 in words is "one hundred twenty-five billion, four hundred forty-three million, five hundred forty-five thousand, one hundred one".