56005051001000 has 32 divisors (see below), whose sum is σ = 131051819344680. Its totient is φ = 22402020400000.

The previous prime is 56005051000963. The next prime is 56005051001059. The reversal of 56005051001000 is 10015050065.

It can be written as a sum of positive squares in 4 ways, for example, as 29800091430916 + 26204959570084 = 5458946^2 + 5119078^2 .

It is a super-2 number, since 2×56005051001000² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28002524501 + ... + 28002526500.

Almost surely, 2^{56005051001000} is an apocalyptic number.

56005051001000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56005051001000 is an abundant number, since it is smaller than the sum of its proper divisors (75046768343680).

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

56005051001000 is a wasteful number, since it uses less digits than its factorization.

56005051001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56005051022 (or 56005051008 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 56005051001000 its reverse (10015050065), we get a palindrome (56015066051065).

The spelling of 56005051001000 in words is "fifty-six trillion, five billion, fifty-one million, one thousand".