1113221245455 has 24 divisors (see below), whose sum is σ = 2105000174160. Its totient is φ = 539743633920.

The previous prime is 1113221245447. The next prime is 1113221245541. The reversal of 1113221245455 is 5545421223111.

1113221245455 is a `hidden beast` number, since 1 + 1 + 132 + 21 + 2 + 454 + 55 = 666.

It is not a de Polignac number, because 1113221245455 - 2³ = 1113221245447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1124465410 + ... + 1124466399.

It is an arithmetic number, because the mean of its divisors is an integer number (87708340590).

Almost surely, 2^{1113221245455} is an apocalyptic number.

1113221245455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1113221245455 is a deficient number, since it is larger than the sum of its proper divisors (991778928705).

1113221245455 is a wasteful number, since it uses less digits than its factorization.

1113221245455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248931831 (or 2248931828 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

Adding to 1113221245455 its reverse (5545421223111), we get a palindrome (6658642468566).

The spelling of 1113221245455 in words is "one trillion, one hundred thirteen billion, two hundred twenty-one million, two hundred forty-five thousand, four hundred fifty-five".