11556654023 has 4 divisors (see below), whose sum is σ = 11644872888. Its totient is φ = 11468435160.

The previous prime is 11556654001. The next prime is 11556654029. The reversal of 11556654023 is 32045665511.

11556654023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32045665511 = 4463 ⋅7180297.

It is a cyclic number.

It is not a de Polignac number, because 11556654023 - 2¹⁴ = 11556637639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11556654029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44109236 + ... + 44109497.

It is an arithmetic number, because the mean of its divisors is an integer number (2911218222).

Almost surely, 2^11556654023 is an apocalyptic number.

11556654023 is a deficient number, since it is larger than the sum of its proper divisors (88218865).

11556654023 is an equidigital number, since it uses as much as digits as its factorization.

11556654023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88218864.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 11556654023 in words is "eleven billion, five hundred fifty-six million, six hundred fifty-four thousand, twenty-three".