11536638810 has 16 divisors (see below), whose sum is σ = 27687933216. Its totient is φ = 3076437008.

The previous prime is 11536638803. The next prime is 11536638811. The reversal of 11536638810 is 1883663511.

It is a super-2 number, since 2×11536638810² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11536638811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192277284 + ... + 192277343.

It is an arithmetic number, because the mean of its divisors is an integer number (1730495826).

Almost surely, 2^11536638810 is an apocalyptic number.

11536638810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11536638810 is an abundant number, since it is smaller than the sum of its proper divisors (16151294406).

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

11536638810 is a wasteful number, since it uses less digits than its factorization.

11536638810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384554637.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 11536638810 in words is "eleven billion, five hundred thirty-six million, six hundred thirty-eight thousand, eight hundred ten".