11164613651 has 4 divisors (see below), whose sum is σ = 11169235272. Its totient is φ = 11159992032.

The previous prime is 11164613639. The next prime is 11164613687. The reversal of 11164613651 is 15631646111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11164613651 - 2⁶ = 11164613587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11164616651) 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, 2307185 + ... + 2312018.

It is an arithmetic number, because the mean of its divisors is an integer number (2792308818).

Almost surely, 2^11164613651 is an apocalyptic number.

11164613651 is a deficient number, since it is larger than the sum of its proper divisors (4621621).

11164613651 is an equidigital number, since it uses as much as digits as its factorization.

11164613651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621620.

The product of its digits is 12960, while the sum is 35.

The spelling of 11164613651 in words is "eleven billion, one hundred sixty-four million, six hundred thirteen thousand, six hundred fifty-one".