11557743700 has 36 divisors (see below), whose sum is σ = 26400324160. Its totient is φ = 4379775840.

The previous prime is 11557743697. The next prime is 11557743707. The reversal of 11557743700 is 734775511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11557743707) 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, 3039612 + ... + 3043411.

Almost surely, 2^11557743700 is an apocalyptic number.

11557743700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11557743700 is an abundant number, since it is smaller than the sum of its proper divisors (14842580460).

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

11557743700 is a wasteful number, since it uses less digits than its factorization.

11557743700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6083056 (or 6083049 counting only the distinct ones).

The product of its (nonzero) digits is 102900, while the sum is 40.

The spelling of 11557743700 in words is "eleven billion, five hundred fifty-seven million, seven hundred forty-three thousand, seven hundred".