90612686111 has 2 divisors, whose sum is σ = 90612686112. Its totient is φ = 90612686110.

The previous prime is 90612686083. The next prime is 90612686137. The reversal of 90612686111 is 11168621609.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90612686111 - 2²⁶ = 90545577247 is a prime.

It is a super-2 number, since 2×90612686111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90612686191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45306343055 + 45306343056.

It is an arithmetic number, because the mean of its divisors is an integer number (45306343056).

Almost surely, 2^90612686111 is an apocalyptic number.

90612686111 is a deficient number, since it is larger than the sum of its proper divisors (1).

90612686111 is an equidigital number, since it uses as much as digits as its factorization.

90612686111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 41.

The spelling of 90612686111 in words is "ninety billion, six hundred twelve million, six hundred eighty-six thousand, one hundred eleven".