113443404345 has 24 divisors (see below), whose sum is σ = 196878357000. Its totient is φ = 60428342016.

The previous prime is 113443404343. The next prime is 113443404353. The reversal of 113443404345 is 543404344311.

It can be written as a sum of positive squares in 4 ways, for example, as 21966796944 + 91476607401 = 148212^2 + 302451^2 .

It is not a de Polignac number, because 113443404345 - 2¹ = 113443404343 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113443404343) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1521670 + ... + 1594479.

It is an arithmetic number, because the mean of its divisors is an integer number (8203264875).

Almost surely, 2^113443404345 is an apocalyptic number.

113443404345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113443404345 is a deficient number, since it is larger than the sum of its proper divisors (83434952655).

113443404345 is a wasteful number, since it uses less digits than its factorization.

113443404345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116969 (or 3116966 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 113443404345 its reverse (543404344311), we get a palindrome (656847748656).

The spelling of 113443404345 in words is "one hundred thirteen billion, four hundred forty-three million, four hundred four thousand, three hundred forty-five".