51161462664143 has 16 divisors (see below), whose sum is σ = 55223131958400. Its totient is φ = 47117844474624.

The previous prime is 51161462664077. The next prime is 51161462664181. The reversal of 51161462664143 is 34146626416115.

It is a cyclic number.

It is not a de Polignac number, because 51161462664143 - 2¹⁸ = 51161462401999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51161462664091 and 51161462664100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51161462664443) 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, 46117133 + ... + 47213481.

It is an arithmetic number, because the mean of its divisors is an integer number (3451445747400).

Almost surely, 2^{51161462664143} is an apocalyptic number.

51161462664143 is a deficient number, since it is larger than the sum of its proper divisors (4061669294257).

51161462664143 is a wasteful number, since it uses less digits than its factorization.

51161462664143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104578.

The product of its digits is 2488320, while the sum is 50.

The spelling of 51161462664143 in words is "fifty-one trillion, one hundred sixty-one billion, four hundred sixty-two million, six hundred sixty-four thousand, one hundred forty-three".