12262115611 has 4 divisors (see below), whose sum is σ = 12388529272. Its totient is φ = 12135701952.

The previous prime is 12262115609. The next prime is 12262115641. The reversal of 12262115611 is 11651126221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11651126221 = 7 ⋅1664446603.

It is a cyclic number.

It is not a de Polignac number, because 12262115611 - 2¹ = 12262115609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12262115611.

It is not an unprimeable number, because it can be changed into a prime (12262115641) 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, 63206685 + ... + 63206878.

It is an arithmetic number, because the mean of its divisors is an integer number (3097132318).

Almost surely, 2^12262115611 is an apocalyptic number.

12262115611 is a deficient number, since it is larger than the sum of its proper divisors (126413661).

12262115611 is an equidigital number, since it uses as much as digits as its factorization.

12262115611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126413660.

The product of its digits is 1440, while the sum is 28.

The spelling of 12262115611 in words is "twelve billion, two hundred sixty-two million, one hundred fifteen thousand, six hundred eleven".