125588885540 has 12 divisors (see below), whose sum is σ = 263736659676. Its totient is φ = 50235554208.

The previous prime is 125588885533. The next prime is 125588885627. The reversal of 125588885540 is 45588885521.

It can be written as a sum of positive squares in 2 ways, for example, as 18497632036 + 107091253504 = 136006^2 + 327248^2 .

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 125588885540.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3139722119 + ... + 3139722158.

It is an arithmetic number, because the mean of its divisors is an integer number (21978054973).

Almost surely, 2^125588885540 is an apocalyptic number.

125588885540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125588885540 is an abundant number, since it is smaller than the sum of its proper divisors (138147774136).

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

125588885540 is a wasteful number, since it uses less digits than its factorization.

125588885540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6279444286 (or 6279444284 counting only the distinct ones).

The product of its (nonzero) digits is 20480000, while the sum is 59.

The spelling of 125588885540 in words is "one hundred twenty-five billion, five hundred eighty-eight million, eight hundred eighty-five thousand, five hundred forty".