125051225256 has 24 divisors (see below), whose sum is σ = 338680401930. Its totient is φ = 41683741728.

The previous prime is 125051225213. The next prime is 125051225261. The reversal of 125051225256 is 652522150521.

125051225256 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 5 + 122 + 525 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 109737162756 + 15314062500 = 331266^2 + 123750^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 125051225256.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 868411215 + ... + 868411358.

Almost surely, 2^125051225256 is an apocalyptic number.

It is an amenable number.

125051225256 is an abundant number, since it is smaller than the sum of its proper divisors (213629176674).

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

125051225256 is a wasteful number, since it uses less digits than its factorization.

125051225256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736822585 (or 1736822578 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 125051225256 its reverse (652522150521), we get a palindrome (777573375777).

The spelling of 125051225256 in words is "one hundred twenty-five billion, fifty-one million, two hundred twenty-five thousand, two hundred fifty-six".