125532261552 has 40 divisors (see below), whose sum is σ = 334752701440. Its totient is φ = 40494277440.

The previous prime is 125532261541. The next prime is 125532261571. The reversal of 125532261552 is 255162235521.

It is a self number, because there is not a number n which added to its sum of digits gives 125532261552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42180052 + ... + 42183027.

It is an arithmetic number, because the mean of its divisors is an integer number (8368817536).

Almost surely, 2^125532261552 is an apocalyptic number.

125532261552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125532261552 is an abundant number, since it is smaller than the sum of its proper divisors (209220439888).

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

125532261552 is a wasteful number, since it uses less digits than its factorization.

125532261552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84363121 (or 84363115 counting only the distinct ones).

The product of its digits is 180000, while the sum is 39.

The spelling of 125532261552 in words is "one hundred twenty-five billion, five hundred thirty-two million, two hundred sixty-one thousand, five hundred fifty-two".