11901121726984 has 64 divisors (see below), whose sum is σ = 27299629440000. Its totient is φ = 4750135472448.

The previous prime is 11901121726961. The next prime is 11901121727021. The reversal of 11901121726984 is 48962712110911.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94727604 + ... + 94853155.

It is an arithmetic number, because the mean of its divisors is an integer number (426556710000).

Almost surely, 2^{11901121726984} is an apocalyptic number.

11901121726984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11901121726984 is an abundant number, since it is smaller than the sum of its proper divisors (15398507713016).

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

11901121726984 is a wasteful number, since it uses less digits than its factorization.

11901121726984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189580850 (or 189580846 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 52.

The spelling of 11901121726984 in words is "eleven trillion, nine hundred one billion, one hundred twenty-one million, seven hundred twenty-six thousand, nine hundred eighty-four".