13256950137570 has 48 divisors (see below), whose sum is σ = 35269653399552. Its totient is φ = 3452973058080.

The previous prime is 13256950137551. The next prime is 13256950137581. The reversal of 13256950137570 is 7573105965231.

13256950137570 is a `hidden beast` number, since 1 + 3 + 2 + 5 + 6 + 9 + 50 + 13 + 7 + 570 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1712780386 + ... + 1712788125.

It is an arithmetic number, because the mean of its divisors is an integer number (734784445824).

Almost surely, 2^{13256950137570} is an apocalyptic number.

13256950137570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13256950137570 is an abundant number, since it is smaller than the sum of its proper divisors (22012703261982).

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

13256950137570 is a wasteful number, since it uses less digits than its factorization.

13256950137570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425568567 (or 3425568564 counting only the distinct ones).

The product of its (nonzero) digits is 5953500, while the sum is 54.

The spelling of 13256950137570 in words is "thirteen trillion, two hundred fifty-six billion, nine hundred fifty million, one hundred thirty-seven thousand, five hundred seventy".