51266552513541 has 32 divisors (see below), whose sum is σ = 71902513824768. Its totient is φ = 32428323333120.

The previous prime is 51266552513509. The next prime is 51266552513569. The reversal of 51266552513541 is 14531525566215.

It is not a de Polignac number, because 51266552513541 - 2⁵ = 51266552513509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51266552513581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20006245 + ... + 22422821.

It is an arithmetic number, because the mean of its divisors is an integer number (2246953557024).

Almost surely, 2^{51266552513541} is an apocalyptic number.

It is an amenable number.

51266552513541 is a deficient number, since it is larger than the sum of its proper divisors (20635961311227).

51266552513541 is a wasteful number, since it uses less digits than its factorization.

51266552513541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419081.

The product of its digits is 5400000, while the sum is 51.

The spelling of 51266552513541 in words is "fifty-one trillion, two hundred sixty-six billion, five hundred fifty-two million, five hundred thirteen thousand, five hundred forty-one".