2611111136641 has 4 divisors (see below), whose sum is σ = 2984127013312. Its totient is φ = 2238095259972.

The previous prime is 2611111136629. The next prime is 2611111136681. The reversal of 2611111136641 is 1466311111162.

2611111136641 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2611111136641 - 2⁵ = 2611111136609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2611111136597 and 2611111136606.

It is not an unprimeable number, because it can be changed into a prime (2611111136681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186507938325 + ... + 186507938338.

It is an arithmetic number, because the mean of its divisors is an integer number (746031753328).

Almost surely, 2^{2611111136641} is an apocalyptic number.

It is an amenable number.

2611111136641 is a deficient number, since it is larger than the sum of its proper divisors (373015876671).

2611111136641 is an equidigital number, since it uses as much as digits as its factorization.

2611111136641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373015876670.

The product of its digits is 5184, while the sum is 34.

The spelling of 2611111136641 in words is "two trillion, six hundred eleven billion, one hundred eleven million, one hundred thirty-six thousand, six hundred forty-one".