11277161216 has 36 divisors (see below), whose sum is σ = 22550123400. Its totient is φ = 5628598272.

The previous prime is 11277161201. The next prime is 11277161243. The reversal of 11277161216 is 61216177211.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106955 + ... + 184373.

Almost surely, 2^11277161216 is an apocalyptic number.

11277161216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11277161216 is a deficient number, since it is larger than the sum of its proper divisors (11272962184).

11277161216 is an frugal number, since it uses more digits than its factorization.

11277161216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78004 (or 77990 counting only the distinct ones).

The product of its digits is 7056, while the sum is 35.

The spelling of 11277161216 in words is "eleven billion, two hundred seventy-seven million, one hundred sixty-one thousand, two hundred sixteen".