125889371278 has 32 divisors (see below), whose sum is σ = 218143860480. Its totient is φ = 53850149760.

The previous prime is 125889371273. The next prime is 125889371297. The reversal of 125889371278 is 872173988521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125889371273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4751175 + ... + 4777597.

It is an arithmetic number, because the mean of its divisors is an integer number (6816995640).

Almost surely, 2^125889371278 is an apocalyptic number.

125889371278 is a deficient number, since it is larger than the sum of its proper divisors (92254489202).

125889371278 is a wasteful number, since it uses less digits than its factorization.

125889371278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39192.

The product of its digits is 13547520, while the sum is 61.

The spelling of 125889371278 in words is "one hundred twenty-five billion, eight hundred eighty-nine million, three hundred seventy-one thousand, two hundred seventy-eight".