11777161422 has 32 divisors (see below), whose sum is σ = 25399654560. Its totient is φ = 3618961920.

The previous prime is 11777161411. The next prime is 11777161453. The reversal of 11777161422 is 22416177711.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39847 + ... + 158562.

It is an arithmetic number, because the mean of its divisors is an integer number (793739205).

Almost surely, 2^11777161422 is an apocalyptic number.

11777161422 is an abundant number, since it is smaller than the sum of its proper divisors (13622493138).

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

11777161422 is a wasteful number, since it uses less digits than its factorization.

11777161422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199188.

The product of its digits is 32928, while the sum is 39.

The spelling of 11777161422 in words is "eleven billion, seven hundred seventy-seven million, one hundred sixty-one thousand, four hundred twenty-two".