11590481994 has 32 divisors (see below), whose sum is σ = 28530418560. Its totient is φ = 3056830272.

The previous prime is 11590481971. The next prime is 11590482017. The reversal of 11590481994 is 49918409511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11590481971) and next prime (11590482017).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10613449 + ... + 10614540.

It is an arithmetic number, because the mean of its divisors is an integer number (891575580).

Almost surely, 2^11590481994 is an apocalyptic number.

11590481994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11590481994 is an abundant number, since it is smaller than the sum of its proper divisors (16939936566).

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

11590481994 is a wasteful number, since it uses less digits than its factorization.

11590481994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21228014.

The product of its (nonzero) digits is 466560, while the sum is 51.

The spelling of 11590481994 in words is "eleven billion, five hundred ninety million, four hundred eighty-one thousand, nine hundred ninety-four".