11772115700 has 18 divisors (see below), whose sum is σ = 25545491286. Its totient is φ = 4708846240.

The previous prime is 11772115699. The next prime is 11772115727. The reversal of 11772115700 is 751127711.

It can be written as a sum of positive squares in 3 ways, for example, as 766846864 + 11005268836 = 27692^2 + 104906^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58860479 + ... + 58860678.

Almost surely, 2^11772115700 is an apocalyptic number.

11772115700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11772115700 is an abundant number, since it is smaller than the sum of its proper divisors (13773375586).

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

11772115700 is a wasteful number, since it uses less digits than its factorization.

11772115700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117721171 (or 117721164 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 32.

The spelling of 11772115700 in words is "eleven billion, seven hundred seventy-two million, one hundred fifteen thousand, seven hundred".