1156536466056 has 160 divisors (see below), whose sum is σ = 3295936908000. Its totient is φ = 378787186944.

The previous prime is 1156536466027. The next prime is 1156536466073. The reversal of 1156536466056 is 6506646356511.

1156536466056 is a `hidden beast` number, since 1 + 1 + 5 + 6 + 536 + 46 + 60 + 5 + 6 = 666.

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 = 1156536465993 and 1156536466011.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 89724060 + ... + 89736948.

It is an arithmetic number, because the mean of its divisors is an integer number (20599605675).

Almost surely, 2^{1156536466056} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1156536466056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1647968454000).

1156536466056 is an abundant number, since it is smaller than the sum of its proper divisors (2139400441944).

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

1156536466056 is a wasteful number, since it uses less digits than its factorization.

1156536466056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15313 (or 15300 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

The spelling of 1156536466056 in words is "one trillion, one hundred fifty-six billion, five hundred thirty-six million, four hundred sixty-six thousand, fifty-six".