51127634502451 has 16 divisors (see below), whose sum is σ = 55112339968000. Its totient is φ = 47150348803488.

The previous prime is 51127634502431. The next prime is 51127634502457. The reversal of 51127634502451 is 15420543672115.

It is a cyclic number.

It is not a de Polignac number, because 51127634502451 - 2¹⁹ = 51127633978163 is a prime.

It is a super-2 number, since 2×51127634502451² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51127634502457) 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, 67233250 + ... + 67989448.

It is an arithmetic number, because the mean of its divisors is an integer number (3444521248000).

Almost surely, 2^{51127634502451} is an apocalyptic number.

51127634502451 is a deficient number, since it is larger than the sum of its proper divisors (3984705465549).

51127634502451 is a wasteful number, since it uses less digits than its factorization.

51127634502451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761098.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 51127634502451 in words is "fifty-one trillion, one hundred twenty-seven billion, six hundred thirty-four million, five hundred two thousand, four hundred fifty-one".