11920613425920 has 144 divisors (see below), whose sum is σ = 42301621377120. Its totient is φ = 3178830237696.

The previous prime is 11920613425907. The next prime is 11920613425967. The reversal of 11920613425920 is 2952431602911.

It is a happy number.

11920613425920 is a `hidden beast` number, since 1 + 1 + 9 + 2 + 0 + 6 + 13 + 42 + 592 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 172428019 + ... + 172497138.

Almost surely, 2^{11920613425920} is an apocalyptic number.

11920613425920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11920613425920 is an abundant number, since it is smaller than the sum of its proper divisors (30381007951200).

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

11920613425920 is an equidigital number, since it uses as much as digits as its factorization.

11920613425920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344925187 (or 344925167 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 11920613425920 in words is "eleven trillion, nine hundred twenty billion, six hundred thirteen million, four hundred twenty-five thousand, nine hundred twenty".