125513855292 has 48 divisors (see below), whose sum is σ = 338736206592. Its totient is φ = 35429038080.

The previous prime is 125513855279. The next prime is 125513855317. The reversal of 125513855292 is 292558315521.

125513855292 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×125513855292³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent 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, 8994309 + ... + 9008252.

It is an arithmetic number, because the mean of its divisors is an integer number (7057004304).

Almost surely, 2^125513855292 is an apocalyptic number.

125513855292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125513855292 is an abundant number, since it is smaller than the sum of its proper divisors (213222351300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125513855292 is a wasteful number, since it uses less digits than its factorization.

125513855292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18002658 (or 18002656 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 48.

The spelling of 125513855292 in words is "one hundred twenty-five billion, five hundred thirteen million, eight hundred fifty-five thousand, two hundred ninety-two".