11749429985880 has 128 divisors (see below), whose sum is σ = 36148878028800. Its totient is φ = 3053686927872.

The previous prime is 11749429985861. The next prime is 11749429985939. The reversal of 11749429985880 is 8858992494711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3010267 + ... + 5706186.

It is an arithmetic number, because the mean of its divisors is an integer number (282413109600).

Almost surely, 2^{11749429985880} is an apocalyptic number.

11749429985880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11749429985880 is an abundant number, since it is smaller than the sum of its proper divisors (24399448042920).

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

11749429985880 is a wasteful number, since it uses less digits than its factorization.

11749429985880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8716753 (or 8716749 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 75.

The spelling of 11749429985880 in words is "eleven trillion, seven hundred forty-nine billion, four hundred twenty-nine million, nine hundred eighty-five thousand, eight hundred eighty".