90953611117 has 2 divisors, whose sum is σ = 90953611118. Its totient is φ = 90953611116.

The previous prime is 90953611033. The next prime is 90953611169. The reversal of 90953611117 is 71111635909.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68712661161 + 22240949956 = 262131^2 + 149134^2 .

It is a cyclic number.

It is not a de Polignac number, because 90953611117 - 2²³ = 90945222509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90953611417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45476805558 + 45476805559.

It is an arithmetic number, because the mean of its divisors is an integer number (45476805559).

Almost surely, 2^90953611117 is an apocalyptic number.

It is an amenable number.

90953611117 is a deficient number, since it is larger than the sum of its proper divisors (1).

90953611117 is an equidigital number, since it uses as much as digits as its factorization.

90953611117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 43.

The spelling of 90953611117 in words is "ninety billion, nine hundred fifty-three million, six hundred eleven thousand, one hundred seventeen".