11261147065 has 16 divisors (see below), whose sum is σ = 15446563200. Its totient is φ = 7720577280.

The previous prime is 11261147011. The next prime is 11261147077. The reversal of 11261147065 is 56074116211.

It is not a de Polignac number, because 11261147065 - 2⁹ = 11261146553 is a prime.

It is a super-2 number, since 2×11261147065² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11261147065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200770 + ... + 250660.

It is an arithmetic number, because the mean of its divisors is an integer number (965410200).

Almost surely, 2^11261147065 is an apocalyptic number.

It is an amenable number.

11261147065 is a deficient number, since it is larger than the sum of its proper divisors (4185416135).

11261147065 is an equidigital number, since it uses as much as digits as its factorization.

11261147065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56352.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 11261147065 in words is "eleven billion, two hundred sixty-one million, one hundred forty-seven thousand, sixty-five".