51436608008788 has 24 divisors (see below), whose sum is σ = 90495687814280. Its totient is φ = 25580917203840.

The previous prime is 51436608008783. The next prime is 51436608008831. The reversal of 51436608008788 is 88780080663415.

It can be written as a sum of positive squares in 4 ways, for example, as 6084303023044 + 45352304985744 = 2466638^2 + 6734412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51436608008783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26564031 + ... + 28434502.

Almost surely, 2^{51436608008788} is an apocalyptic number.

It is an amenable number.

51436608008788 is a deficient number, since it is larger than the sum of its proper divisors (39059079805492).

51436608008788 is a wasteful number, since it uses less digits than its factorization.

51436608008788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54999787 (or 54999785 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 64.

The spelling of 51436608008788 in words is "fifty-one trillion, four hundred thirty-six billion, six hundred eight million, eight thousand, seven hundred eighty-eight".