11611377613 has 16 divisors (see below), whose sum is σ = 12845952000. Its totient is φ = 10407316480.

The previous prime is 11611377611. The next prime is 11611377643. The reversal of 11611377613 is 31677311611.

It is a happy number.

It is not a de Polignac number, because 11611377613 - 2¹ = 11611377611 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 (11611377611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328788 + ... + 362386.

It is an arithmetic number, because the mean of its divisors is an integer number (802872000).

Almost surely, 2^11611377613 is an apocalyptic number.

It is an amenable number.

11611377613 is a deficient number, since it is larger than the sum of its proper divisors (1234574387).

11611377613 is a wasteful number, since it uses less digits than its factorization.

11611377613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34052.

The product of its digits is 15876, while the sum is 37.

The spelling of 11611377613 in words is "eleven billion, six hundred eleven million, three hundred seventy-seven thousand, six hundred thirteen".