15556116049983 has 24 divisors (see below), whose sum is σ = 24612110593200. Its totient is φ = 9424124392704.

The previous prime is 15556116049919. The next prime is 15556116050063. The reversal of 15556116049983 is 38994061165551.

15556116049983 is a `hidden beast` number, since 1 + 5 + 5 + 5 + 6 + 1 + 1 + 60 + 499 + 83 = 666.

It is not a de Polignac number, because 15556116049983 - 2⁶ = 15556116049919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15556116049983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15556116029983) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1752994893 + ... + 1753003766.

It is an arithmetic number, because the mean of its divisors is an integer number (1025504608050).

Almost surely, 2^{15556116049983} is an apocalyptic number.

15556116049983 is a deficient number, since it is larger than the sum of its proper divisors (9055994543217).

15556116049983 is a wasteful number, since it uses less digits than its factorization.

15556116049983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505998711 (or 3505998708 counting only the distinct ones).

The product of its (nonzero) digits is 34992000, while the sum is 63.

The spelling of 15556116049983 in words is "fifteen trillion, five hundred fifty-six billion, one hundred sixteen million, forty-nine thousand, nine hundred eighty-three".