11556651454036 has 48 divisors (see below), whose sum is σ = 23202489248064. Its totient is φ = 4989285766656.

The previous prime is 11556651454027. The next prime is 11556651454039. The reversal of 11556651454036 is 63045415665511.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11556651454039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39957550 + ... + 40245733.

It is an arithmetic number, because the mean of its divisors is an integer number (483385192668).

Almost surely, 2^{11556651454036} is an apocalyptic number.

It is an amenable number.

11556651454036 is an abundant number, since it is smaller than the sum of its proper divisors (11645837794028).

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

11556651454036 is a wasteful number, since it uses less digits than its factorization.

11556651454036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80203480 (or 80203478 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 52.

The spelling of 11556651454036 in words is "eleven trillion, five hundred fifty-six billion, six hundred fifty-one million, four hundred fifty-four thousand, thirty-six".