113137043155445 has 4 divisors (see below), whose sum is σ = 135764451786540. Its totient is φ = 90509634524352.

The previous prime is 113137043155441. The next prime is 113137043155459. The reversal of 113137043155445 is 544551340731311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89153290178404 + 23983752977041 = 9442102^2 + 4897321^2 .

It is a cyclic number.

It is not a de Polignac number, because 113137043155445 - 2² = 113137043155441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113137043155445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113137043155441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11313704315540 + ... + 11313704315549.

It is an arithmetic number, because the mean of its divisors is an integer number (33941112946635).

Almost surely, 2^{113137043155445} is an apocalyptic number.

It is an amenable number.

113137043155445 is a deficient number, since it is larger than the sum of its proper divisors (22627408631095).

113137043155445 is an equidigital number, since it uses as much as digits as its factorization.

113137043155445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22627408631094.

The product of its (nonzero) digits is 1512000, while the sum is 47.

Adding to 113137043155445 its reverse (544551340731311), we get a palindrome (657688383886756).

The spelling of 113137043155445 in words is "one hundred thirteen trillion, one hundred thirty-seven billion, forty-three million, one hundred fifty-five thousand, four hundred forty-five".