11905601764020 has 96 divisors (see below), whose sum is σ = 33397216997760. Its totient is φ = 3168970506240.

The previous prime is 11905601764003. The next prime is 11905601764031. The reversal of 11905601764020 is 2046710650911.

It is a super-2 number, since 2×11905601764020² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110141200 + ... + 110249240.

It is an arithmetic number, because the mean of its divisors is an integer number (347887677060).

Almost surely, 2^{11905601764020} is an apocalyptic number.

11905601764020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11905601764020 is an abundant number, since it is smaller than the sum of its proper divisors (21491615233740).

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

11905601764020 is a wasteful number, since it uses less digits than its factorization.

11905601764020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111425 (or 111423 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 11905601764020 in words is "eleven trillion, nine hundred five billion, six hundred one million, seven hundred sixty-four thousand, twenty".