113838448513 has 4 divisors (see below), whose sum is σ = 113839539760. Its totient is φ = 113837357268.

The previous prime is 113838448487. The next prime is 113838448519. The reversal of 113838448513 is 315844838311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 113838448513 - 2⁹ = 113838448001 is a prime.

It is a super-2 number, since 2×113838448513² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113838448519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370383 + ... + 604036.

It is an arithmetic number, because the mean of its divisors is an integer number (28459884940).

Almost surely, 2^113838448513 is an apocalyptic number.

It is an amenable number.

113838448513 is a deficient number, since it is larger than the sum of its proper divisors (1091247).

113838448513 is an equidigital number, since it uses as much as digits as its factorization.

113838448513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091246.

The product of its digits is 1105920, while the sum is 49.

The spelling of 113838448513 in words is "one hundred thirteen billion, eight hundred thirty-eight million, four hundred forty-eight thousand, five hundred thirteen".