89691605411 has 2 divisors, whose sum is σ = 89691605412. Its totient is φ = 89691605410.

The previous prime is 89691605401. The next prime is 89691605431. The reversal of 89691605411 is 11450619698.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89691605411 - 2⁶ = 89691605347 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89691605411.

It is not a weakly prime, because it can be changed into another prime (89691605401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44845802705 + 44845802706.

It is an arithmetic number, because the mean of its divisors is an integer number (44845802706).

Almost surely, 2^89691605411 is an apocalyptic number.

89691605411 is a deficient number, since it is larger than the sum of its proper divisors (1).

89691605411 is an equidigital number, since it uses as much as digits as its factorization.

89691605411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 89691605411 in words is "eighty-nine billion, six hundred ninety-one million, six hundred five thousand, four hundred eleven".