1113375605645 has 32 divisors (see below), whose sum is σ = 1453181272416. Its totient is φ = 815477760000.

The previous prime is 1113375605633. The next prime is 1113375605701. The reversal of 1113375605645 is 5465065733111.

It can be written as a sum of positive squares in 16 ways, for example, as 158606248516 + 954769357129 = 398254^2 + 977123^2 .

It is not a de Polignac number, because 1113375605645 - 2⁸ = 1113375605389 is a prime.

It is a super-3 number, since 3×1113375605645³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113375605645.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 16007945 + ... + 16077345.

It is an arithmetic number, because the mean of its divisors is an integer number (45411914763).

Almost surely, 2^{1113375605645} is an apocalyptic number.

It is an amenable number.

1113375605645 is a deficient number, since it is larger than the sum of its proper divisors (339805666771).

1113375605645 is a wasteful number, since it uses less digits than its factorization.

1113375605645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74561.

The product of its (nonzero) digits is 1134000, while the sum is 47.

The spelling of 1113375605645 in words is "one trillion, one hundred thirteen billion, three hundred seventy-five million, six hundred five thousand, six hundred forty-five".