11156236152556 has 24 divisors (see below), whose sum is σ = 22032692090640. Its totient is φ = 4896153796800.

The previous prime is 11156236152541. The next prime is 11156236152731. The reversal of 11156236152556 is 65525163265111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4371564615 + ... + 4371567166.

It is an arithmetic number, because the mean of its divisors is an integer number (918028837110).

Almost surely, 2^{11156236152556} is an apocalyptic number.

It is an amenable number.

11156236152556 is a deficient number, since it is larger than the sum of its proper divisors (10876455938084).

11156236152556 is a wasteful number, since it uses less digits than its factorization.

11156236152556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8743131825 (or 8743131823 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 49.

The spelling of 11156236152556 in words is "eleven trillion, one hundred fifty-six billion, two hundred thirty-six million, one hundred fifty-two thousand, five hundred fifty-six".