1113221245345 has 32 divisors (see below), whose sum is σ = 1501570578816. Its totient is φ = 785167603200.

The previous prime is 1113221245333. The next prime is 1113221245349. The reversal of 1113221245345 is 5435421223111.

It is not a de Polignac number, because 1113221245345 - 2¹⁵ = 1113221212577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1113221245345.

It is not an unprimeable number, because it can be changed into a prime (1113221245349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266196 + ... + 1515685.

It is an arithmetic number, because the mean of its divisors is an integer number (46924080588).

Almost surely, 2^{1113221245345} is an apocalyptic number.

It is an amenable number.

1113221245345 is a deficient number, since it is larger than the sum of its proper divisors (388349333471).

1113221245345 is a wasteful number, since it uses less digits than its factorization.

1113221245345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782241.

The product of its digits is 28800, while the sum is 34.

Adding to 1113221245345 its reverse (5435421223111), we get a palindrome (6548642468456).

The spelling of 1113221245345 in words is "one trillion, one hundred thirteen billion, two hundred twenty-one million, two hundred forty-five thousand, three hundred forty-five".