11500570500 has 48 divisors (see below), whose sum is σ = 33489665664. Its totient is φ = 3066818400.

The previous prime is 11500570493. The next prime is 11500570507. The reversal of 11500570500 is 507500511.

It is an interprime number because it is at equal distance from previous prime (11500570493) and next prime (11500570507).

It is not an unprimeable number, because it can be changed into a prime (11500570507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3832024 + ... + 3835023.

It is an arithmetic number, because the mean of its divisors is an integer number (697701368).

Almost surely, 2^11500570500 is an apocalyptic number.

11500570500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11500570500 is an abundant number, since it is smaller than the sum of its proper divisors (21989095164).

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

11500570500 is a wasteful number, since it uses less digits than its factorization.

11500570500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7667069 (or 7667057 counting only the distinct ones).

The product of its (nonzero) digits is 875, while the sum is 24.

The spelling of 11500570500 in words is "eleven billion, five hundred million, five hundred seventy thousand, five hundred".