90911112 has 32 divisors (see below), whose sum is σ = 231569280. Its totient is φ = 29731520.

The previous prime is 90911101. The next prime is 90911129. The reversal of 90911112 is 21111909.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34464 + ... + 37007.

It is an arithmetic number, because the mean of its divisors is an integer number (7236540).

Almost surely, 2^90911112 is an apocalyptic number.

It is an amenable number.

90911112 is an abundant number, since it is smaller than the sum of its proper divisors (140658168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90911112 is a wasteful number, since it uses less digits than its factorization.

90911112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71533 (or 71529 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 24.

The square root of 90911112 is about 9534.7318787683. The cubic root of 90911112 is about 449.6476451620.

It can be divided in two parts, 909 and 11112, that added together give a palindrome (12021).

The spelling of 90911112 in words is "ninety million, nine hundred eleven thousand, one hundred twelve".