51151111105 has 16 divisors (see below), whose sum is σ = 62425718784. Its totient is φ = 40225452480.

The previous prime is 51151111091. The next prime is 51151111153. The reversal of 51151111105 is 50111115115.

It is a happy number.

It is not a de Polignac number, because 51151111105 - 2¹¹ = 51151109057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456792 + ... + 557638.

It is an arithmetic number, because the mean of its divisors is an integer number (3901607424).

Almost surely, 2^51151111105 is an apocalyptic number.

It is an amenable number.

51151111105 is a deficient number, since it is larger than the sum of its proper divisors (11274607679).

51151111105 is a wasteful number, since it uses less digits than its factorization.

51151111105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102576.

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

The spelling of 51151111105 in words is "fifty-one billion, one hundred fifty-one million, one hundred eleven thousand, one hundred five".