12245775155611 has 4 divisors (see below), whose sum is σ = 12245981953912. Its totient is φ = 12245568357312.

The previous prime is 12245775155533. The next prime is 12245775155633. The reversal of 12245775155611 is 11655157754221.

It is a happy number.

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 12245775155611 - 2⁷ = 12245775155483 is a prime.

It is a super-2 number, since 2×12245775155611² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12245775158611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103310301 + ... + 103428766.

It is an arithmetic number, because the mean of its divisors is an integer number (3061495488478).

Almost surely, 2^{12245775155611} is an apocalyptic number.

12245775155611 is a deficient number, since it is larger than the sum of its proper divisors (206798301).

12245775155611 is an equidigital number, since it uses as much as digits as its factorization.

12245775155611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206798300.

The product of its digits is 2940000, while the sum is 52.

The spelling of 12245775155611 in words is "twelve trillion, two hundred forty-five billion, seven hundred seventy-five million, one hundred fifty-five thousand, six hundred eleven".