11618549477143 has 16 divisors (see below), whose sum is σ = 13440251414016. Its totient is φ = 9837359278560.

The previous prime is 11618549477123. The next prime is 11618549477149. The reversal of 11618549477143 is 34177494581611.

It is a happy number.

11618549477143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11618549477143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11618549477149) 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, 2625253 + ... + 5488993.

It is an arithmetic number, because the mean of its divisors is an integer number (840015713376).

Almost surely, 2^{11618549477143} is an apocalyptic number.

11618549477143 is a deficient number, since it is larger than the sum of its proper divisors (1821701936873).

11618549477143 is an equidigital number, since it uses as much as digits as its factorization.

11618549477143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870814.

The product of its digits is 20321280, while the sum is 61.

The spelling of 11618549477143 in words is "eleven trillion, six hundred eighteen billion, five hundred forty-nine million, four hundred seventy-seven thousand, one hundred forty-three".