56256801018 has 64 divisors (see below), whose sum is σ = 127867299840. Its totient is φ = 16349782400.

The previous prime is 56256800909. The next prime is 56256801023. The reversal of 56256801018 is 81010865265.

56256801018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×56256801018³ (a number of 33 digits) contains 333 as substring.

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, 16530 + ... + 335837.

It is an arithmetic number, because the mean of its divisors is an integer number (1997926560).

Almost surely, 2^56256801018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56256801018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63933649920).

56256801018 is an abundant number, since it is smaller than the sum of its proper divisors (71610498822).

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

56256801018 is a wasteful number, since it uses less digits than its factorization.

56256801018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352483.

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 56256801018 in words is "fifty-six billion, two hundred fifty-six million, eight hundred one thousand, eighteen".