51011151115 has 8 divisors (see below), whose sum is σ = 61218083808. Its totient is φ = 40805785920.

The previous prime is 51011151101. The next prime is 51011151173. The reversal of 51011151115 is 51115111015.

It is a happy number.

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

It is not a de Polignac number, because 51011151115 - 2¹¹ = 51011149067 is a prime.

It is a Duffinian 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, 319047 + ... + 451456.

It is an arithmetic number, because the mean of its divisors is an integer number (7652260476).

Almost surely, 2^51011151115 is an apocalyptic number.

51011151115 is a deficient number, since it is larger than the sum of its proper divisors (10206932693).

51011151115 is a wasteful number, since it uses less digits than its factorization.

51011151115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783749.

The product of its (nonzero) digits is 125, while the sum is 22.

The spelling of 51011151115 in words is "fifty-one billion, eleven million, one hundred fifty-one thousand, one hundred fifteen".