11315978570 has 32 divisors (see below), whose sum is σ = 22013171712. Its totient is φ = 4163429952.

The previous prime is 11315978567. The next prime is 11315978591. The reversal of 11315978570 is 7587951311.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117002 + ... + 190581.

It is an arithmetic number, because the mean of its divisors is an integer number (687911616).

Almost surely, 2^11315978570 is an apocalyptic number.

11315978570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11315978570 is a deficient number, since it is larger than the sum of its proper divisors (10697193142).

11315978570 is a wasteful number, since it uses less digits than its factorization.

11315978570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307886.

The product of its (nonzero) digits is 264600, while the sum is 47.

The spelling of 11315978570 in words is "eleven billion, three hundred fifteen million, nine hundred seventy-eight thousand, five hundred seventy".