125581262952 has 16 divisors (see below), whose sum is σ = 313953157440. Its totient is φ = 41860420976.

The previous prime is 125581262927. The next prime is 125581262957. The reversal of 125581262952 is 259262185521.

It is not an unprimeable number, because it can be changed into a prime (125581262957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2616276288 + ... + 2616276335.

It is an arithmetic number, because the mean of its divisors is an integer number (19622072340).

Almost surely, 2^125581262952 is an apocalyptic number.

125581262952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125581262952 is an abundant number, since it is smaller than the sum of its proper divisors (188371894488).

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

125581262952 is a wasteful number, since it uses less digits than its factorization.

125581262952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5232552632 (or 5232552628 counting only the distinct ones).

The product of its digits is 864000, while the sum is 48.

The spelling of 125581262952 in words is "one hundred twenty-five billion, five hundred eighty-one million, two hundred sixty-two thousand, nine hundred fifty-two".