99999079145051 has 2 divisors, whose sum is σ = 99999079145052. Its totient is φ = 99999079145050.

The previous prime is 99999079145033. The next prime is 99999079145057. The reversal of 99999079145051 is 15054197099999.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99999079145051 is a prime.

It is not a weakly prime, because it can be changed into another prime (99999079145057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49999539572525 + 49999539572526.

It is an arithmetic number, because the mean of its divisors is an integer number (49999539572526).

Almost surely, 2^{99999079145051} is an apocalyptic number.

99999079145051 is a deficient number, since it is larger than the sum of its proper divisors (1).

99999079145051 is an equidigital number, since it uses as much as digits as its factorization.

99999079145051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 372008700, while the sum is 77.

The spelling of 99999079145051 in words is "ninety-nine trillion, nine hundred ninety-nine billion, seventy-nine million, one hundred forty-five thousand, fifty-one".