125481876840 has 64 divisors (see below), whose sum is σ = 418272926400. Its totient is φ = 33461833536.

The previous prime is 125481876797. The next prime is 125481876851. The reversal of 125481876840 is 48678184521.

125481876840 is a `hidden beast` number, since 1 + 2 + 5 + 481 + 87 + 6 + 84 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 58092382 + ... + 58094541.

It is an arithmetic number, because the mean of its divisors is an integer number (6535514475).

Almost surely, 2^125481876840 is an apocalyptic number.

125481876840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125481876840 is an abundant number, since it is smaller than the sum of its proper divisors (292791049560).

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

125481876840 is a wasteful number, since it uses less digits than its factorization.

125481876840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116186943 (or 116186933 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The spelling of 125481876840 in words is "one hundred twenty-five billion, four hundred eighty-one million, eight hundred seventy-six thousand, eight hundred forty".