125771589240 has 256 divisors, whose sum is σ = 434781388800. Its totient is φ = 28819929600.

The previous prime is 125771589239. The next prime is 125771589253. The reversal of 125771589240 is 42985177521.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1723821 + ... + 1795299.

It is an arithmetic number, because the mean of its divisors is an integer number (1698364800).

Almost surely, 2^125771589240 is an apocalyptic number.

125771589240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125771589240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217390694400).

125771589240 is an abundant number, since it is smaller than the sum of its proper divisors (309009799560).

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

125771589240 is a wasteful number, since it uses less digits than its factorization.

125771589240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71578 (or 71574 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 51.

The spelling of 125771589240 in words is "one hundred twenty-five billion, seven hundred seventy-one million, five hundred eighty-nine thousand, two hundred forty".