11508990 has 16 divisors (see below), whose sum is σ = 27621648. Its totient is φ = 3069056.

The previous prime is 11508989. The next prime is 11508997. The reversal of 11508990 is 9980511.

It is a super-3 number, since 3×11508990³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11508997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191787 + ... + 191846.

It is an arithmetic number, because the mean of its divisors is an integer number (1726353).

Almost surely, 2^11508990 is an apocalyptic number.

11508990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11508990 is an abundant number, since it is smaller than the sum of its proper divisors (16112658).

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

11508990 is a wasteful number, since it uses less digits than its factorization.

11508990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383643.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 11508990 is about 3392.4902358002. The cubic root of 11508990 is about 225.7766739513.

The spelling of 11508990 in words is "eleven million, five hundred eight thousand, nine hundred ninety".