10522312261 has 4 divisors (see below), whose sum is σ = 10522729152. Its totient is φ = 10521895372.

The previous prime is 10522312247. The next prime is 10522312277. The reversal of 10522312261 is 16221322501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10522312261 - 2²³ = 10513923653 is a prime.

It is a super-2 number, since 2×10522312261² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10522313261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167965 + ... + 221938.

It is an arithmetic number, because the mean of its divisors is an integer number (2630682288).

Almost surely, 2^10522312261 is an apocalyptic number.

It is an amenable number.

10522312261 is a deficient number, since it is larger than the sum of its proper divisors (416891).

10522312261 is an equidigital number, since it uses as much as digits as its factorization.

10522312261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416890.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 10522312261 its reverse (16221322501), we get a palindrome (26743634762).

The spelling of 10522312261 in words is "ten billion, five hundred twenty-two million, three hundred twelve thousand, two hundred sixty-one".