56011212555120 has 120 divisors (see below), whose sum is σ = 191292531159600. Its totient is φ = 14683165314048.

The previous prime is 56011212555107. The next prime is 56011212555121. The reversal of 56011212555120 is 2155521211065.

56011212555120 is a `hidden beast` number, since 5 + 6 + 0 + 1 + 12 + 125 + 5 + 512 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56011212555121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 659223205 + ... + 659308164.

It is an arithmetic number, because the mean of its divisors is an integer number (1594104426330).

Almost surely, 2^{56011212555120} is an apocalyptic number.

It is an amenable number.

56011212555120 is an abundant number, since it is smaller than the sum of its proper divisors (135281318604480).

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

56011212555120 is a wasteful number, since it uses less digits than its factorization.

56011212555120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318531447 (or 1318531438 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

Adding to 56011212555120 its reverse (2155521211065), we get a palindrome (58166733766185).

The spelling of 56011212555120 in words is "fifty-six trillion, eleven billion, two hundred twelve million, five hundred fifty-five thousand, one hundred twenty".