51563541036511 has 32 divisors (see below), whose sum is σ = 64271636904960. Its totient is φ = 40378966580736.

The previous prime is 51563541036503. The next prime is 51563541036577. The reversal of 51563541036511 is 11563014536515.

It is not a de Polignac number, because 51563541036511 - 2³ = 51563541036503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51563541036311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45807931 + ... + 46920076.

It is an arithmetic number, because the mean of its divisors is an integer number (2008488653280).

Almost surely, 2^{51563541036511} is an apocalyptic number.

51563541036511 is a deficient number, since it is larger than the sum of its proper divisors (12708095868449).

51563541036511 is a wasteful number, since it uses less digits than its factorization.

51563541036511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92728183.

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 51563541036511 in words is "fifty-one trillion, five hundred sixty-three billion, five hundred forty-one million, thirty-six thousand, five hundred eleven".