11618433481611 has 32 divisors (see below), whose sum is σ = 16909587267840. Its totient is φ = 7037289459200.

The previous prime is 11618433481579. The next prime is 11618433481661.

11618433481611 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 11618433481611 - 2⁵ = 11618433481579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11618433481661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 637210951 + ... + 637229183.

It is an arithmetic number, because the mean of its divisors is an integer number (528424602120).

Almost surely, 2^{11618433481611} is an apocalyptic number.

11618433481611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11618433481611 is a deficient number, since it is larger than the sum of its proper divisors (5291153786229).

11618433481611 is a wasteful number, since it uses less digits than its factorization.

11618433481611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28667.

The product of its digits is 331776, while the sum is 48.

The spelling of 11618433481611 in words is "eleven trillion, six hundred eighteen billion, four hundred thirty-three million, four hundred eighty-one thousand, six hundred eleven".