51155011135 has 8 divisors (see below), whose sum is σ = 61388621856. Its totient is φ = 40922269920.

The previous prime is 51155011111. The next prime is 51155011147. The reversal of 51155011135 is 53111055115.

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

It is not a de Polignac number, because 51155011135 - 2²¹ = 51152913983 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, 80056 + ... + 329725.

It is an arithmetic number, because the mean of its divisors is an integer number (7673577732).

Almost surely, 2^51155011135 is an apocalyptic number.

51155011135 is a deficient number, since it is larger than the sum of its proper divisors (10233610721).

51155011135 is a wasteful number, since it uses less digits than its factorization.

51155011135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434753.

The product of its (nonzero) digits is 1875, while the sum is 28.

The spelling of 51155011135 in words is "fifty-one billion, one hundred fifty-five million, eleven thousand, one hundred thirty-five".