125563336440 has 32 divisors (see below), whose sum is σ = 376690009680. Its totient is φ = 33483556352.

The previous prime is 125563336439. The next prime is 125563336501. The reversal of 125563336440 is 44633365521.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 125563336392 and 125563336401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523180449 + ... + 523180688.

Almost surely, 2^125563336440 is an apocalyptic number.

125563336440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125563336440 is an abundant number, since it is smaller than the sum of its proper divisors (251126673240).

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

125563336440 is a wasteful number, since it uses less digits than its factorization.

125563336440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046361151 (or 1046361147 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 125563336440 in words is "one hundred twenty-five billion, five hundred sixty-three million, three hundred thirty-six thousand, four hundred forty".