11684252687920 has 20 divisors (see below), whose sum is σ = 27165887499600. Its totient is φ = 4673701075136.

The previous prime is 11684252687911. The next prime is 11684252687977. The reversal of 11684252687920 is 2978625248611.

It is a tau number, because it is divible by the number of its divisors (20).

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, 73026579220 + ... + 73026579379.

It is an arithmetic number, because the mean of its divisors is an integer number (1358294374980).

Almost surely, 2^{11684252687920} is an apocalyptic number.

11684252687920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11684252687920 is an abundant number, since it is smaller than the sum of its proper divisors (15481634811680).

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

11684252687920 is a wasteful number, since it uses less digits than its factorization.

11684252687920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146053158612 (or 146053158606 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 61.

The spelling of 11684252687920 in words is "eleven trillion, six hundred eighty-four billion, two hundred fifty-two million, six hundred eighty-seven thousand, nine hundred twenty".