90688965611 has 2 divisors, whose sum is σ = 90688965612. Its totient is φ = 90688965610.

The previous prime is 90688965599. The next prime is 90688965623. The reversal of 90688965611 is 11656988609.

It is a balanced prime because it is at equal distance from previous prime (90688965599) and next prime (90688965623).

It is a cyclic number.

It is not a de Polignac number, because 90688965611 - 2⁶ = 90688965547 is a prime.

It is not a weakly prime, because it can be changed into another prime (90688965641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45344482805 + 45344482806.

It is an arithmetic number, because the mean of its divisors is an integer number (45344482806).

Almost surely, 2^90688965611 is an apocalyptic number.

90688965611 is a deficient number, since it is larger than the sum of its proper divisors (1).

90688965611 is an equidigital number, since it uses as much as digits as its factorization.

90688965611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 59.

The spelling of 90688965611 in words is "ninety billion, six hundred eighty-eight million, nine hundred sixty-five thousand, six hundred eleven".