11390885492 has 48 divisors (see below), whose sum is σ = 22926016512. Its totient is φ = 4850984160.

The previous prime is 11390885483. The next prime is 11390885503. The reversal of 11390885492 is 29458809311.

It is a self number, because there is not a number n which added to its sum of digits gives 11390885492.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4263317 + ... + 4265987.

It is an arithmetic number, because the mean of its divisors is an integer number (477625344).

Almost surely, 2^11390885492 is an apocalyptic number.

It is an amenable number.

11390885492 is an abundant number, since it is smaller than the sum of its proper divisors (11535131020).

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

11390885492 is a wasteful number, since it uses less digits than its factorization.

11390885492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3588 (or 3586 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 50.

The spelling of 11390885492 in words is "eleven billion, three hundred ninety million, eight hundred eighty-five thousand, four hundred ninety-two".