11910885 has 16 divisors (see below), whose sum is σ = 21780096. Its totient is φ = 5444928.

The previous prime is 11910883. The next prime is 11910887. The reversal of 11910885 is 58801911.

It is an interprime number because it is at equal distance from previous prime (11910883) and next prime (11910887).

It is not a de Polignac number, because 11910885 - 2¹ = 11910883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11910883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56614 + ... + 56823.

It is an arithmetic number, because the mean of its divisors is an integer number (1361256).

Almost surely, 2^11910885 is an apocalyptic number.

11910885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11910885 is a deficient number, since it is larger than the sum of its proper divisors (9869211).

11910885 is a wasteful number, since it uses less digits than its factorization.

11910885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113452.

The product of its (nonzero) digits is 2880, while the sum is 33.

The square root of 11910885 is about 3451.2150034444. The cubic root of 11910885 is about 228.3747108608.

The spelling of 11910885 in words is "eleven million, nine hundred ten thousand, eight hundred eighty-five".