11658012884 has 12 divisors (see below), whose sum is σ = 23316025824. Its totient is φ = 4996291224.

The previous prime is 11658012881. The next prime is 11658012889. The reversal of 11658012884 is 48821085611.

11658012884 is an admirable number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11658012881) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 208178774 + ... + 208178829.

It is an arithmetic number, because the mean of its divisors is an integer number (1943002152).

Almost surely, 2^11658012884 is an apocalyptic number.

11658012884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11658012884 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11658012884 is a wasteful number, since it uses less digits than its factorization.

11658012884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416357614 (or 416357612 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 44.

The spelling of 11658012884 in words is "eleven billion, six hundred fifty-eight million, twelve thousand, eight hundred eighty-four".