51158777800551 has 16 divisors (see below), whose sum is σ = 68334255902688. Its totient is φ = 34044595200000.

The previous prime is 51158777800511. The next prime is 51158777800561. The reversal of 51158777800551 is 15500877785115.

It is not a de Polignac number, because 51158777800551 - 2¹¹ = 51158777798503 is a prime.

It is a super-2 number, since 2×51158777800551² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51158777800511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8128551 + ... + 12976551.

It is an arithmetic number, because the mean of its divisors is an integer number (4270890993918).

Almost surely, 2^{51158777800551} is an apocalyptic number.

51158777800551 is a deficient number, since it is larger than the sum of its proper divisors (17175478102137).

51158777800551 is a wasteful number, since it uses less digits than its factorization.

51158777800551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4854322.

The product of its (nonzero) digits is 13720000, while the sum is 60.

The spelling of 51158777800551 in words is "fifty-one trillion, one hundred fifty-eight billion, seven hundred seventy-seven million, eight hundred thousand, five hundred fifty-one".