51468886415 has 4 divisors (see below), whose sum is σ = 61762663704. Its totient is φ = 41175109128.

The previous prime is 51468886409. The next prime is 51468886489.

51468886415 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51468886415 - 2⁶ = 51468886351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5146888637 + ... + 5146888646.

It is an arithmetic number, because the mean of its divisors is an integer number (15440665926).

Almost surely, 2^51468886415 is an apocalyptic number.

51468886415 is a deficient number, since it is larger than the sum of its proper divisors (10293777289).

51468886415 is a wasteful number, since it uses less digits than its factorization.

51468886415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10293777288.

The product of its digits is 7372800, while the sum is 56.

The spelling of 51468886415 in words is "fifty-one billion, four hundred sixty-eight million, eight hundred eighty-six thousand, four hundred fifteen".