11513143700 has 36 divisors (see below), whose sum is σ = 24997267260. Its totient is φ = 4602723840.

The previous prime is 11513143687. The next prime is 11513143709. The reversal of 11513143700 is 734131511.

It can be written as a sum of positive squares in 6 ways, for example, as 519201796 + 10993941904 = 22786^2 + 104852^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11513143700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11513143709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156566 + ... + 218034.

It is an arithmetic number, because the mean of its divisors is an integer number (694368535).

Almost surely, 2^11513143700 is an apocalyptic number.

11513143700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11513143700 is an abundant number, since it is smaller than the sum of its proper divisors (13484123560).

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

11513143700 is a wasteful number, since it uses less digits than its factorization.

11513143700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63356 (or 63349 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The spelling of 11513143700 in words is "eleven billion, five hundred thirteen million, one hundred forty-three thousand, seven hundred".