11331122011984 has 20 divisors (see below), whose sum is σ = 23109525156640. Its totient is φ = 5367373584480.

The previous prime is 11331122011981. The next prime is 11331122012107. The reversal of 11331122011984 is 48911022113311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331122011981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18636713532 + ... + 18636714139.

It is an arithmetic number, because the mean of its divisors is an integer number (1155476257832).

Almost surely, 2^{11331122011984} is an apocalyptic number.

It is an amenable number.

11331122011984 is an abundant number, since it is smaller than the sum of its proper divisors (11778403144656).

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

11331122011984 is a wasteful number, since it uses less digits than its factorization.

11331122011984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37273427698 (or 37273427692 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

The spelling of 11331122011984 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-two million, eleven thousand, nine hundred eighty-four".