1156663726560 has 192 divisors, whose sum is σ = 4261392979200. Its totient is φ = 292209762816.

The previous prime is 1156663726531. The next prime is 1156663726573. The reversal of 1156663726560 is 656273666511.

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

It is a junction number, because it is equal to n+sod(n) for n = 1156663726497 and 1156663726506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6963874 + ... + 7128033.

It is an arithmetic number, because the mean of its divisors is an integer number (22194755100).

Almost surely, 2^{1156663726560} is an apocalyptic number.

1156663726560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1156663726560 is an abundant number, since it is smaller than the sum of its proper divisors (3104729252640).

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

1156663726560 is a wasteful number, since it uses less digits than its factorization.

1156663726560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14091950 (or 14091936 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 1156663726560 in words is "one trillion, one hundred fifty-six billion, six hundred sixty-three million, seven hundred twenty-six thousand, five hundred sixty".