51158811841128 has 96 divisors (see below), whose sum is σ = 141949306011240. Its totient is φ = 16638746042880.

The previous prime is 51158811841127. The next prime is 51158811841129. The reversal of 51158811841128 is 82114811885115.

51158811841128 is a `hidden beast` number, since 5 + 1 + 1 + 588 + 1 + 1 + 8 + 41 + 12 + 8 = 666.

51158811841128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51158811841127) and next prime (51158811841129).

It can be written as a sum of positive squares in 4 ways, for example, as 34064241985764 + 17094569855364 = 5836458^2 + 4134558^2 .

It is a super-2 number, since 2×51158811841128² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51158811841127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36343551 + ... + 37724942.

Almost surely, 2^{51158811841128} is an apocalyptic number.

It is an amenable number.

51158811841128 is an abundant number, since it is smaller than the sum of its proper divisors (90790494170112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51158811841128 is a wasteful number, since it uses less digits than its factorization.

51158811841128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74068739 (or 74068732 counting only the distinct ones).

The product of its digits is 819200, while the sum is 54.

The spelling of 51158811841128 in words is "fifty-one trillion, one hundred fifty-eight billion, eight hundred eleven million, eight hundred forty-one thousand, one hundred twenty-eight".