11556506355102 has 24 divisors (see below), whose sum is σ = 25149401504136. Its totient is φ = 3835198877136.

The previous prime is 11556506355083. The next prime is 11556506355103. The reversal of 11556506355102 is 20155360565511.

11556506355102 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 6 + 5 + 0 + 635 + 5 + 1 + 0 + 2 = 666.

11556506355102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11556506355103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1414154793 + ... + 1414162964.

It is an arithmetic number, because the mean of its divisors is an integer number (1047891729339).

Almost surely, 2^{11556506355102} is an apocalyptic number.

11556506355102 is an abundant number, since it is smaller than the sum of its proper divisors (13592895149034).

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

11556506355102 is a wasteful number, since it uses less digits than its factorization.

11556506355102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828317992 (or 2828317989 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 11556506355102 in words is "eleven trillion, five hundred fifty-six billion, five hundred six million, three hundred fifty-five thousand, one hundred two".