125473976105 has 16 divisors (see below), whose sum is σ = 151400870544. Its totient is φ = 99825592320.

The previous prime is 125473976087. The next prime is 125473976119. The reversal of 125473976105 is 501679374521.

It can be written as a sum of positive squares in 8 ways, for example, as 1459264 + 125472516841 = 1208^2 + 354221^2 .

It is not a de Polignac number, because 125473976105 - 2¹⁸ = 125473713961 is a prime.

It is a super-2 number, since 2×125473976105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 812237 + ... + 954293.

It is an arithmetic number, because the mean of its divisors is an integer number (9462554409).

Almost surely, 2^125473976105 is an apocalyptic number.

It is an amenable number.

125473976105 is a deficient number, since it is larger than the sum of its proper divisors (25926894439).

125473976105 is a wasteful number, since it uses less digits than its factorization.

125473976105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143036.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 125473976105 in words is "one hundred twenty-five billion, four hundred seventy-three million, nine hundred seventy-six thousand, one hundred five".