11662939122912 has 480 divisors, whose sum is σ = 43244671599360. Its totient is φ = 2995292805120.

The previous prime is 11662939122889. The next prime is 11662939122929. The reversal of 11662939122912 is 21922193926611.

11662939122912 is a `hidden beast` number, since 1 + 1 + 6 + 6 + 29 + 391 + 229 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 17434683 + ... + 18091269.

It is an arithmetic number, because the mean of its divisors is an integer number (90093065832).

Almost surely, 2^{11662939122912} is an apocalyptic number.

11662939122912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11662939122912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21622335799680).

11662939122912 is an abundant number, since it is smaller than the sum of its proper divisors (31581732476448).

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

11662939122912 is a wasteful number, since it uses less digits than its factorization.

11662939122912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656716 (or 656699 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 54.

The spelling of 11662939122912 in words is "eleven trillion, six hundred sixty-two billion, nine hundred thirty-nine million, one hundred twenty-two thousand, nine hundred twelve".