11500975730 has 16 divisors (see below), whose sum is σ = 21415610520. Its totient is φ = 4441756032.

The previous prime is 11500975687. The next prime is 11500975769. The reversal of 11500975730 is 3757900511.

It can be written as a sum of positive squares in 4 ways, for example, as 10600555681 + 900420049 = 102959^2 + 30007^2 .

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, 19828979 + ... + 19829558.

Almost surely, 2^11500975730 is an apocalyptic number.

11500975730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11500975730 is a deficient number, since it is larger than the sum of its proper divisors (9914634790).

11500975730 is a wasteful number, since it uses less digits than its factorization.

11500975730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39658573.

The product of its (nonzero) digits is 33075, while the sum is 38.

The spelling of 11500975730 in words is "eleven billion, five hundred million, nine hundred seventy-five thousand, seven hundred thirty".