11678194872 has 64 divisors (see below), whose sum is σ = 32923641600. Its totient is φ = 3834626400.

The previous prime is 11678194867. The next prime is 11678194883. The reversal of 11678194872 is 27849187611.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 389004 + ... + 417947.

It is an arithmetic number, because the mean of its divisors is an integer number (514431900).

Almost surely, 2^11678194872 is an apocalyptic number.

11678194872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11678194872 is an abundant number, since it is smaller than the sum of its proper divisors (21245446728).

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

11678194872 is a wasteful number, since it uses less digits than its factorization.

11678194872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807033 (or 807023 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 54.

The spelling of 11678194872 in words is "eleven billion, six hundred seventy-eight million, one hundred ninety-four thousand, eight hundred seventy-two".