125950891788 has 48 divisors (see below), whose sum is σ = 326988712960. Its totient is φ = 41925855312.

The previous prime is 125950891769. The next prime is 125950891831. The reversal of 125950891788 is 887198059521.

125950891788 is a `hidden beast` number, since 1 + 2 + 59 + 508 + 9 + 1 + 78 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723556 + ... + 880587.

Almost surely, 2^125950891788 is an apocalyptic number.

125950891788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

125950891788 is an abundant number, since it is smaller than the sum of its proper divisors (201037821172).

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

125950891788 is a wasteful number, since it uses less digits than its factorization.

125950891788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604883 (or 1604875 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 63.

The spelling of 125950891788 in words is "one hundred twenty-five billion, nine hundred fifty million, eight hundred ninety-one thousand, seven hundred eighty-eight".