56120551160 has 128 divisors (see below), whose sum is σ = 134424576000. Its totient is φ = 21053191680.

The previous prime is 56120551139. The next prime is 56120551169. The reversal of 56120551160 is 6115502165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56120551169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5998166 + ... + 6007514.

It is an arithmetic number, because the mean of its divisors is an integer number (1050192000).

Almost surely, 2^56120551160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56120551160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67212288000).

56120551160 is an abundant number, since it is smaller than the sum of its proper divisors (78304024840).

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

56120551160 is a wasteful number, since it uses less digits than its factorization.

56120551160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9541 (or 9537 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 56120551160 in words is "fifty-six billion, one hundred twenty million, five hundred fifty-one thousand, one hundred sixty".