125620331562 has 96 divisors (see below), whose sum is σ = 313221841920. Its totient is φ = 35985526560.

The previous prime is 125620331533. The next prime is 125620331587. The reversal of 125620331562 is 265133026521.

125620331562 is a `hidden beast` number, since 1 + 2 + 5 + 62 + 0 + 3 + 31 + 562 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1721103 + ... + 1792605.

It is an arithmetic number, because the mean of its divisors is an integer number (3262727520).

Almost surely, 2^125620331562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125620331562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156610920960).

125620331562 is an abundant number, since it is smaller than the sum of its proper divisors (187601510358).

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

125620331562 is a wasteful number, since it uses less digits than its factorization.

125620331562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72008 (or 72005 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 125620331562 in words is "one hundred twenty-five billion, six hundred twenty million, three hundred thirty-one thousand, five hundred sixty-two".