97990011111011 has 2 divisors, whose sum is σ = 97990011111012. Its totient is φ = 97990011111010.

The previous prime is 97990011110983. The next prime is 97990011111019. The reversal of 97990011111011 is 11011111009979.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97990011111011 - 2³⁴ = 97972831241827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97990011111011.

It is not a weakly prime, because it can be changed into another prime (97990011111019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48995005555505 + 48995005555506.

It is an arithmetic number, because the mean of its divisors is an integer number (48995005555506).

Almost surely, 2^{97990011111011} is an apocalyptic number.

97990011111011 is a deficient number, since it is larger than the sum of its proper divisors (1).

97990011111011 is an equidigital number, since it uses as much as digits as its factorization.

97990011111011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 41.

The spelling of 97990011111011 in words is "ninety-seven trillion, nine hundred ninety billion, eleven million, one hundred eleven thousand, eleven".