51151064155651 has 8 divisors (see below), whose sum is σ = 54160757288064. Its totient is φ = 48141460690560.

The previous prime is 51151064155621. The next prime is 51151064155819. The reversal of 51151064155651 is 15655146015115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51151064155651 - 2¹³ = 51151064147459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51151064155621) 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, 21240595 + ... + 23525836.

It is an arithmetic number, because the mean of its divisors is an integer number (6770094661008).

Almost surely, 2^{51151064155651} is an apocalyptic number.

51151064155651 is a deficient number, since it is larger than the sum of its proper divisors (3009693132413).

51151064155651 is a wasteful number, since it uses less digits than its factorization.

51151064155651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44833661.

The product of its (nonzero) digits is 450000, while the sum is 46.

The spelling of 51151064155651 in words is "fifty-one trillion, one hundred fifty-one billion, sixty-four million, one hundred fifty-five thousand, six hundred fifty-one".