11156614641 has 12 divisors (see below), whose sum is σ = 16271568768. Its totient is φ = 7365531384.

The previous prime is 11156614627. The next prime is 11156614643. The reversal of 11156614641 is 14641665111.

11156614641 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 6 + 6 + 1 + 4 + 641 = 666.

It is not a de Polignac number, because 11156614641 - 2²² = 11152420337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11156614596 and 11156614605.

It is not an unprimeable number, because it can be changed into a prime (11156614643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6016665 + ... + 6018518.

It is an arithmetic number, because the mean of its divisors is an integer number (1355964064).

Almost surely, 2^11156614641 is an apocalyptic number.

It is an amenable number.

11156614641 is a deficient number, since it is larger than the sum of its proper divisors (5114954127).

11156614641 is a wasteful number, since it uses less digits than its factorization.

11156614641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12035292 (or 12035289 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The spelling of 11156614641 in words is "eleven billion, one hundred fifty-six million, six hundred fourteen thousand, six hundred forty-one".