51056060505555 has 64 divisors (see below), whose sum is σ = 93961262020608. Its totient is φ = 23189533286400.

The previous prime is 51056060505509. The next prime is 51056060505557. The reversal of 51056060505555 is 55550506065015.

It is not a de Polignac number, because 51056060505555 - 2⁶ = 51056060505491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51056060505557) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 237292954 + ... + 237508016.

It is an arithmetic number, because the mean of its divisors is an integer number (1468144719072).

Almost surely, 2^{51056060505555} is an apocalyptic number.

51056060505555 is a deficient number, since it is larger than the sum of its proper divisors (42905201515053).

51056060505555 is a wasteful number, since it uses less digits than its factorization.

51056060505555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229636.

The product of its (nonzero) digits is 2812500, while the sum is 48.

It can be divided in two parts, 510 and 56060505555, that added together give a palindrome (56060506065).

The spelling of 51056060505555 in words is "fifty-one trillion, fifty-six billion, sixty million, five hundred five thousand, five hundred fifty-five".