11653256326556 has 24 divisors (see below), whose sum is σ = 23253782988240. Its totient is φ = 5062047996672.

The previous prime is 11653256326553. The next prime is 11653256326589. The reversal of 11653256326556 is 65562365235611.

It is a super-2 number, since 2×11653256326556² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11653256326553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6591207446 + ... + 6591209213.

It is an arithmetic number, because the mean of its divisors is an integer number (968907624510).

Almost surely, 2^{11653256326556} is an apocalyptic number.

It is an amenable number.

11653256326556 is a deficient number, since it is larger than the sum of its proper divisors (11600526661684).

11653256326556 is a wasteful number, since it uses less digits than its factorization.

11653256326556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13182416693 (or 13182416691 counting only the distinct ones).

The product of its digits is 29160000, while the sum is 56.

The spelling of 11653256326556 in words is "eleven trillion, six hundred fifty-three billion, two hundred fifty-six million, three hundred twenty-six thousand, five hundred fifty-six".