125045524520 has 48 divisors (see below), whose sum is σ = 327287525940. Its totient is φ = 42872750592.

The previous prime is 125045524517. The next prime is 125045524529. The reversal of 125045524520 is 25425540521.

It can be written as a sum of positive squares in 2 ways, for example, as 101290700644 + 23754823876 = 318262^2 + 154126^2 .

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (125045524529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31897409 + ... + 31901328.

Almost surely, 2^125045524520 is an apocalyptic number.

125045524520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125045524520 is an abundant number, since it is smaller than the sum of its proper divisors (202242001420).

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

125045524520 is a wasteful number, since it uses less digits than its factorization.

125045524520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63798762 (or 63798751 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 125045524520 in words is "one hundred twenty-five billion, forty-five million, five hundred twenty-four thousand, five hundred twenty".