125801878980 has 48 divisors (see below), whose sum is σ = 352568309184. Its totient is φ = 33516401280.

The previous prime is 125801878957. The next prime is 125801879023. The reversal of 125801878980 is 89878108521.

It is a super-2 number, since 2×125801878980² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125801878980.

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, 895447 + ... + 1026366.

It is an arithmetic number, because the mean of its divisors is an integer number (7345173108).

Almost surely, 2^125801878980 is an apocalyptic number.

125801878980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125801878980 is an abundant number, since it is smaller than the sum of its proper divisors (226766430204).

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

125801878980 is a wasteful number, since it uses less digits than its factorization.

125801878980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922916 (or 1922914 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 57.

The spelling of 125801878980 in words is "one hundred twenty-five billion, eight hundred one million, eight hundred seventy-eight thousand, nine hundred eighty".