90110985983 has 2 divisors, whose sum is σ = 90110985984. Its totient is φ = 90110985982.

The previous prime is 90110985971. The next prime is 90110986001. The reversal of 90110985983 is 38958901109.

It is a weak prime.

It is an emirp because it is prime and its reverse (38958901109) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90110985983 - 2²⁴ = 90094208767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90110985883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45055492991 + 45055492992.

It is an arithmetic number, because the mean of its divisors is an integer number (45055492992).

Almost surely, 2^90110985983 is an apocalyptic number.

90110985983 is a deficient number, since it is larger than the sum of its proper divisors (1).

90110985983 is an equidigital number, since it uses as much as digits as its factorization.

90110985983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 53.

The spelling of 90110985983 in words is "ninety billion, one hundred ten million, nine hundred eighty-five thousand, nine hundred eighty-three".