51040011535 has 8 divisors (see below), whose sum is σ = 63223756416. Its totient is φ = 39514847520.

The previous prime is 51040011521. The next prime is 51040011553. The reversal of 51040011535 is 53511004015.

It is a happy number.

51040011535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 51040011535 - 2²³ = 51031622927 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 7 ways as a sum of consecutive naturals, for example, 164645044 + ... + 164645353.

It is an arithmetic number, because the mean of its divisors is an integer number (7902969552).

Almost surely, 2^51040011535 is an apocalyptic number.

51040011535 is a deficient number, since it is larger than the sum of its proper divisors (12183744881).

51040011535 is a wasteful number, since it uses less digits than its factorization.

51040011535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329290433.

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 51040011535 in words is "fifty-one billion, forty million, eleven thousand, five hundred thirty-five".