11122412045 has 4 divisors (see below), whose sum is σ = 13346894460. Its totient is φ = 8897929632.

The previous prime is 11122412011. The next prime is 11122412053. The reversal of 11122412045 is 54021422111.

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 8256629956 + 2865782089 = 90866^2 + 53533^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122412045 - 2¹⁸ = 11122149901 is a prime.

It is a super-2 number, since 2×11122412045² (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 11122412045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112241200 + ... + 1112241209.

It is an arithmetic number, because the mean of its divisors is an integer number (3336723615).

Almost surely, 2^11122412045 is an apocalyptic number.

It is an amenable number.

11122412045 is a deficient number, since it is larger than the sum of its proper divisors (2224482415).

11122412045 is an equidigital number, since it uses as much as digits as its factorization.

11122412045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224482414.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 11122412045 its reverse (54021422111), we get a palindrome (65143834156).

The spelling of 11122412045 in words is "eleven billion, one hundred twenty-two million, four hundred twelve thousand, forty-five".