11165511364 has 12 divisors (see below), whose sum is σ = 22331022784. Its totient is φ = 4785219144.

The previous prime is 11165511361. The next prime is 11165511407. The reversal of 11165511364 is 46311556111.

11165511364 is an admirable number.

It is a super-2 number, since 2×11165511364² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11165511361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199384104 + ... + 199384159.

Almost surely, 2^11165511364 is an apocalyptic number.

11165511364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11165511364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11165511364 is a wasteful number, since it uses less digits than its factorization.

11165511364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398768274 (or 398768272 counting only the distinct ones).

The product of its digits is 10800, while the sum is 34.

The spelling of 11165511364 in words is "eleven billion, one hundred sixty-five million, five hundred eleven thousand, three hundred sixty-four".