11636118072 has 32 divisors (see below), whose sum is σ = 32322550800. Its totient is φ = 3878705952.

The previous prime is 11636118029. The next prime is 11636118089. The reversal of 11636118072 is 27081163611.

11636118072 is a `hidden beast` number, since 1 + 1 + 636 + 1 + 18 + 0 + 7 + 2 = 666.

It is a super-3 number, since 3×11636118072³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26935243 + ... + 26935674.

Almost surely, 2^11636118072 is an apocalyptic number.

11636118072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11636118072 is an abundant number, since it is smaller than the sum of its proper divisors (20686432728).

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

11636118072 is a wasteful number, since it uses less digits than its factorization.

11636118072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53870932 (or 53870922 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 11636118072 in words is "eleven billion, six hundred thirty-six million, one hundred eighteen thousand, seventy-two".