11331021012984 has 24 divisors (see below), whose sum is σ = 30688181910360. Its totient is φ = 3777007004304.

The previous prime is 11331021012977. The next prime is 11331021013003. The reversal of 11331021012984 is 48921012013311.

It is a happy number.

11331021012984 is a `hidden beast` number, since 1 + 1 + 3 + 310 + 210 + 129 + 8 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78687645852 + ... + 78687645995.

It is an arithmetic number, because the mean of its divisors is an integer number (1278674246265).

Almost surely, 2^{11331021012984} is an apocalyptic number.

It is an amenable number.

11331021012984 is an abundant number, since it is smaller than the sum of its proper divisors (19357160897376).

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

11331021012984 is a wasteful number, since it uses less digits than its factorization.

11331021012984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157375291859 (or 157375291852 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 11331021012984 in words is "eleven trillion, three hundred thirty-one billion, twenty-one million, twelve thousand, nine hundred eighty-four".