51142224215 has 16 divisors (see below), whose sum is σ = 62017202016. Its totient is φ = 40483968000.

The previous prime is 51142224197. The next prime is 51142224223. The reversal of 51142224215 is 51242224115.

51142224215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51142224215 - 2⁶ = 51142224151 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 15 ways as a sum of consecutive naturals, for example, 264260 + ... + 414870.

It is an arithmetic number, because the mean of its divisors is an integer number (3876075126).

Almost surely, 2^51142224215 is an apocalyptic number.

51142224215 is a deficient number, since it is larger than the sum of its proper divisors (10874977801).

51142224215 is a wasteful number, since it uses less digits than its factorization.

51142224215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151330.

The product of its digits is 6400, while the sum is 29.

The spelling of 51142224215 in words is "fifty-one billion, one hundred forty-two million, two hundred twenty-four thousand, two hundred fifteen".