99579708911 has 2 divisors, whose sum is σ = 99579708912. Its totient is φ = 99579708910.

The previous prime is 99579708859. The next prime is 99579708923. The reversal of 99579708911 is 11980797599.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99579708911 - 2⁶ = 99579708847 is a prime.

It is a super-2 number, since 2×99579708911² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99579708931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49789854455 + 49789854456.

It is an arithmetic number, because the mean of its divisors is an integer number (49789854456).

Almost surely, 2^99579708911 is an apocalyptic number.

99579708911 is a deficient number, since it is larger than the sum of its proper divisors (1).

99579708911 is an equidigital number, since it uses as much as digits as its factorization.

99579708911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12859560, while the sum is 65.

The spelling of 99579708911 in words is "ninety-nine billion, five hundred seventy-nine million, seven hundred eight thousand, nine hundred eleven".