125778015364 has 12 divisors (see below), whose sum is σ = 220116053584. Its totient is φ = 62887714344.

The previous prime is 125778015361. The next prime is 125778015367. The reversal of 125778015364 is 463510877521.

It is an interprime number because it is at equal distance from previous prime (125778015361) and next prime (125778015367).

It is not an unprimeable number, because it can be changed into a prime (125778015361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85002 + ... + 508705.

Almost surely, 2^125778015364 is an apocalyptic number.

It is an amenable number.

125778015364 is a deficient number, since it is larger than the sum of its proper divisors (94338038220).

125778015364 is a wasteful number, since it uses less digits than its factorization.

125778015364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646674 (or 646672 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 125778015364 in words is "one hundred twenty-five billion, seven hundred seventy-eight million, fifteen thousand, three hundred sixty-four".