1225513441113 has 32 divisors (see below), whose sum is σ = 1863419980800. Its totient is φ = 710191043136.

The previous prime is 1225513441049. The next prime is 1225513441121. The reversal of 1225513441113 is 3111443155221.

It is not a de Polignac number, because 1225513441113 - 2⁶ = 1225513441049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1225513441193) 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, 4827943 + ... + 5075436.

It is an arithmetic number, because the mean of its divisors is an integer number (58231874400).

Almost surely, 2^{1225513441113} is an apocalyptic number.

1225513441113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1225513441113 is a deficient number, since it is larger than the sum of its proper divisors (637906539687).

1225513441113 is a wasteful number, since it uses less digits than its factorization.

1225513441113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9903581.

The product of its digits is 14400, while the sum is 33.

Adding to 1225513441113 its reverse (3111443155221), we get a palindrome (4336956596334).

The spelling of 1225513441113 in words is "one trillion, two hundred twenty-five billion, five hundred thirteen million, four hundred forty-one thousand, one hundred thirteen".