113245443506 has 16 divisors (see below), whose sum is σ = 183000938904. Its totient is φ = 52248273024.

The previous prime is 113245443469. The next prime is 113245443527. The reversal of 113245443506 is 605344542311.

It can be written as a sum of positive squares in 4 ways, for example, as 43197881281 + 70047562225 = 207841^2 + 264665^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 113245443506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712025 + ... + 856428.

Almost surely, 2^113245443506 is an apocalyptic number.

113245443506 is a deficient number, since it is larger than the sum of its proper divisors (69755495398).

113245443506 is a wasteful number, since it uses less digits than its factorization.

113245443506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571245.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 113245443506 its reverse (605344542311), we get a palindrome (718589985817).

The spelling of 113245443506 in words is "one hundred thirteen billion, two hundred forty-five million, four hundred forty-three thousand, five hundred six".