51234004665335 has 4 divisors (see below), whose sum is σ = 61480805598408. Its totient is φ = 40987203732264.

The previous prime is 51234004665329. The next prime is 51234004665419. The reversal of 51234004665335 is 53356640043215.

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 51234004665335 - 2⁸ = 51234004665079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51234004665335.

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, 5123400466529 + ... + 5123400466538.

It is an arithmetic number, because the mean of its divisors is an integer number (15370201399602).

Almost surely, 2^{51234004665335} is an apocalyptic number.

51234004665335 is a deficient number, since it is larger than the sum of its proper divisors (10246800933073).

51234004665335 is a wasteful number, since it uses less digits than its factorization.

51234004665335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10246800933072.

The product of its (nonzero) digits is 3888000, while the sum is 47.

The spelling of 51234004665335 in words is "fifty-one trillion, two hundred thirty-four billion, four million, six hundred sixty-five thousand, three hundred thirty-five".