51222100995 has 36 divisors (see below), whose sum is σ = 96139957680. Its totient is φ = 25217030592.

The previous prime is 51222100981. The next prime is 51222101003. The reversal of 51222100995 is 59900122215.

It is a happy number.

51222100995 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 51222100995 - 2³⁰ = 50148359171 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3360055 + ... + 3375264.

It is an arithmetic number, because the mean of its divisors is an integer number (2670554380).

Almost surely, 2^51222100995 is an apocalyptic number.

51222100995 is a deficient number, since it is larger than the sum of its proper divisors (44917856685).

51222100995 is a wasteful number, since it uses less digits than its factorization.

51222100995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6735356 (or 6735340 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The spelling of 51222100995 in words is "fifty-one billion, two hundred twenty-two million, one hundred thousand, nine hundred ninety-five".