1117721594052 has 192 divisors, whose sum is σ = 3419590164480. Its totient is φ = 308957846400.

The previous prime is 1117721594039. The next prime is 1117721594063. The reversal of 1117721594052 is 2504951277111.

1117721594052 is a `hidden beast` number, since 1 + 1 + 1 + 7 + 7 + 2 + 1 + 594 + 0 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1117721593989 and 1117721594007.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 154228693 + ... + 154235939.

It is an arithmetic number, because the mean of its divisors is an integer number (17810365440).

Almost surely, 2^{1117721594052} is an apocalyptic number.

1117721594052 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 1117721594052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1709795082240).

1117721594052 is an abundant number, since it is smaller than the sum of its proper divisors (2301868570428).

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

1117721594052 is a wasteful number, since it uses less digits than its factorization.

1117721594052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13879 (or 13871 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 45.

The spelling of 1117721594052 in words is "one trillion, one hundred seventeen billion, seven hundred twenty-one million, five hundred ninety-four thousand, fifty-two".