90972886111 has 2 divisors, whose sum is σ = 90972886112. Its totient is φ = 90972886110.

The previous prime is 90972886091. The next prime is 90972886153. The reversal of 90972886111 is 11168827909.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90972886111 - 2¹¹ = 90972884063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90972887111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45486443055 + 45486443056.

It is an arithmetic number, because the mean of its divisors is an integer number (45486443056).

Almost surely, 2^90972886111 is an apocalyptic number.

90972886111 is a deficient number, since it is larger than the sum of its proper divisors (1).

90972886111 is an equidigital number, since it uses as much as digits as its factorization.

90972886111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 52.

The spelling of 90972886111 in words is "ninety billion, nine hundred seventy-two million, eight hundred eighty-six thousand, one hundred eleven".