91320362351311 has 2 divisors, whose sum is σ = 91320362351312. Its totient is φ = 91320362351310.

The previous prime is 91320362351291. The next prime is 91320362351327. The reversal of 91320362351311 is 11315326302319.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91320362351311 - 2⁵ = 91320362351279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91320362351341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45660181175655 + 45660181175656.

It is an arithmetic number, because the mean of its divisors is an integer number (45660181175656).

Almost surely, 2^{91320362351311} is an apocalyptic number.

91320362351311 is a deficient number, since it is larger than the sum of its proper divisors (1).

91320362351311 is an equidigital number, since it uses as much as digits as its factorization.

91320362351311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 40.

The spelling of 91320362351311 in words is "ninety-one trillion, three hundred twenty billion, three hundred sixty-two million, three hundred fifty-one thousand, three hundred eleven".