11173970726400 has 120 divisors (see below), whose sum is σ = 36912514048344. Its totient is φ = 2979725516800.

The previous prime is 11173970726389. The next prime is 11173970726447. The reversal of 11173970726400 is 462707937111.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 11173970726400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145456011 + ... + 145532810.

Almost surely, 2^{11173970726400} is an apocalyptic number.

11173970726400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11173970726400 is an abundant number, since it is smaller than the sum of its proper divisors (25738543321944).

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

11173970726400 is an equidigital number, since it uses as much as digits as its factorization.

11173970726400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290988852 (or 290988831 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 48.

The spelling of 11173970726400 in words is "eleven trillion, one hundred seventy-three billion, nine hundred seventy million, seven hundred twenty-six thousand, four hundred".