11147114691 has 24 divisors (see below), whose sum is σ = 16485228864. Its totient is φ = 7255046400.

The previous prime is 11147114683. The next prime is 11147114701. The reversal of 11147114691 is 19641174111.

11147114691 is a `hidden beast` number, since 111 + 471 + 14 + 69 + 1 = 666.

11147114691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11147114691 - 2³ = 11147114683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11147114621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136765 + ... + 202481.

It is an arithmetic number, because the mean of its divisors is an integer number (686884536).

Almost surely, 2^11147114691 is an apocalyptic number.

11147114691 is a deficient number, since it is larger than the sum of its proper divisors (5338114173).

11147114691 is a wasteful number, since it uses less digits than its factorization.

11147114691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66171 (or 66168 counting only the distinct ones).

The product of its digits is 6048, while the sum is 36.

The spelling of 11147114691 in words is "eleven billion, one hundred forty-seven million, one hundred fourteen thousand, six hundred ninety-one".