113103121345 has 16 divisors (see below), whose sum is σ = 149955649920. Its totient is φ = 81457387264.

The previous prime is 113103121279. The next prime is 113103121361. The reversal of 113103121345 is 543121301311.

It is a cyclic number.

It is not a de Polignac number, because 113103121345 - 2⁷ = 113103121217 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28924675 + ... + 28928584.

It is an arithmetic number, because the mean of its divisors is an integer number (9372228120).

Almost surely, 2^113103121345 is an apocalyptic number.

It is an amenable number.

113103121345 is a deficient number, since it is larger than the sum of its proper divisors (36852528575).

113103121345 is a wasteful number, since it uses less digits than its factorization.

113103121345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57853304.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 113103121345 its reverse (543121301311), we get a palindrome (656224422656).

The spelling of 113103121345 in words is "one hundred thirteen billion, one hundred three million, one hundred twenty-one thousand, three hundred forty-five".