11164216380 has 24 divisors (see below), whose sum is σ = 31259806032. Its totient is φ = 2977124352.

The previous prime is 11164216379. The next prime is 11164216411. The reversal of 11164216380 is 8361246111.

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, 93035077 + ... + 93035196.

It is an arithmetic number, because the mean of its divisors is an integer number (1302491918).

Almost surely, 2^11164216380 is an apocalyptic number.

11164216380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11164216380 is an abundant number, since it is smaller than the sum of its proper divisors (20095589652).

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

11164216380 is a wasteful number, since it uses less digits than its factorization.

11164216380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186070285 (or 186070283 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 11164216380 in words is "eleven billion, one hundred sixty-four million, two hundred sixteen thousand, three hundred eighty".