56080123261920 has 144 divisors (see below), whose sum is σ = 192101077520352. Its totient is φ = 14897837460480.

The previous prime is 56080123261907. The next prime is 56080123261957. The reversal of 56080123261920 is 2916232108065.

56080123261920 is a `hidden beast` number, since 5 + 6 + 0 + 8 + 0 + 1 + 2 + 3 + 2 + 619 + 20 = 666.

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

It is a super-3 number, since 3×56080123261920³ (a number of 42 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73660311 + ... + 74417750.

It is an arithmetic number, because the mean of its divisors is an integer number (1334035260558).

Almost surely, 2^{56080123261920} is an apocalyptic number.

It is an amenable number.

56080123261920 is an abundant number, since it is smaller than the sum of its proper divisors (136020954258432).

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

56080123261920 is a wasteful number, since it uses less digits than its factorization.

56080123261920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148078345 (or 148078334 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

Adding to 56080123261920 its reverse (2916232108065), we get a palindrome (58996355369985).

The spelling of 56080123261920 in words is "fifty-six trillion, eighty billion, one hundred twenty-three million, two hundred sixty-one thousand, nine hundred twenty".