125889285850 has 12 divisors (see below), whose sum is σ = 234154071774. Its totient is φ = 50355714320.

The previous prime is 125889285827. The next prime is 125889285877. The reversal of 125889285850 is 58582988521.

It can be written as a sum of positive squares in 3 ways, for example, as 47227547761 + 78661738089 = 217319^2 + 280467^2 .

It is a super-2 number, since 2×125889285850² (a number of 23 digits) contains 22 as substring.

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, 1258892809 + ... + 1258892908.

Almost surely, 2^125889285850 is an apocalyptic number.

125889285850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125889285850 is a deficient number, since it is larger than the sum of its proper divisors (108264785924).

125889285850 is a wasteful number, since it uses less digits than its factorization.

125889285850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517785729 (or 2517785724 counting only the distinct ones).

The product of its (nonzero) digits is 18432000, while the sum is 61.

The spelling of 125889285850 in words is "one hundred twenty-five billion, eight hundred eighty-nine million, two hundred eighty-five thousand, eight hundred fifty".