11162706253261 has 4 divisors (see below), whose sum is σ = 11167370988732. Its totient is φ = 11158041517792.

The previous prime is 11162706253229. The next prime is 11162706253271. The reversal of 11162706253261 is 16235260726111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5107514120361 + 6055192132900 = 2259981^2 + 2460730^2 .

It is a cyclic number.

It is not a de Polignac number, because 11162706253261 - 2⁵ = 11162706253229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11162706253271) 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, 2332364146 + ... + 2332368931.

It is an arithmetic number, because the mean of its divisors is an integer number (2791842747183).

Almost surely, 2^{11162706253261} is an apocalyptic number.

It is an amenable number.

11162706253261 is a deficient number, since it is larger than the sum of its proper divisors (4664735471).

11162706253261 is an equidigital number, since it uses as much as digits as its factorization.

11162706253261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4664735470.

The product of its (nonzero) digits is 181440, while the sum is 43.

Adding to 11162706253261 its reverse (16235260726111), we get a palindrome (27397966979372).

The spelling of 11162706253261 in words is "eleven trillion, one hundred sixty-two billion, seven hundred six million, two hundred fifty-three thousand, two hundred sixty-one".