11761341918 has 32 divisors (see below), whose sum is σ = 24104358432. Its totient is φ = 3823564800.

The previous prime is 11761341821. The next prime is 11761341923. The reversal of 11761341918 is 81914316711.

It is a self number, because there is not a number n which added to its sum of digits gives 11761341918.

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, 1001038 + ... + 1012718.

It is an arithmetic number, because the mean of its divisors is an integer number (753261201).

Almost surely, 2^11761341918 is an apocalyptic number.

11761341918 is an abundant number, since it is smaller than the sum of its proper divisors (12343016514).

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

11761341918 is a wasteful number, since it uses less digits than its factorization.

11761341918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15820.

The product of its digits is 36288, while the sum is 42.

The spelling of 11761341918 in words is "eleven billion, seven hundred sixty-one million, three hundred forty-one thousand, nine hundred eighteen".