51427761073005 has 32 divisors (see below), whose sum is σ = 83849756069376. Its totient is φ = 26906517840384.

The previous prime is 51427761072991. The next prime is 51427761073067. The reversal of 51427761073005 is 50037016772415.

It is not a de Polignac number, because 51427761073005 - 2⁸ = 51427761072749 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 273804 + ... + 10145466.

It is an arithmetic number, because the mean of its divisors is an integer number (2620304877168).

Almost surely, 2^{51427761073005} is an apocalyptic number.

It is an amenable number.

51427761073005 is a deficient number, since it is larger than the sum of its proper divisors (32421994996371).

51427761073005 is a wasteful number, since it uses less digits than its factorization.

51427761073005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9878277.

The product of its (nonzero) digits is 1234800, while the sum is 48.

The spelling of 51427761073005 in words is "fifty-one trillion, four hundred twenty-seven billion, seven hundred sixty-one million, seventy-three thousand, five".