113961537803 has 18 divisors (see below), whose sum is σ = 117251155476. Its totient is φ = 110762254512.

The previous prime is 113961537799. The next prime is 113961537827. The reversal of 113961537803 is 308735169311.

It is not a de Polignac number, because 113961537803 - 2² = 113961537799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113961537883) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 257249300 + ... + 257249742.

It is an arithmetic number, because the mean of its divisors is an integer number (6513953082).

Almost surely, 2^113961537803 is an apocalyptic number.

113961537803 is a deficient number, since it is larger than the sum of its proper divisors (3289617673).

113961537803 is an frugal number, since it uses more digits than its factorization.

113961537803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 113961537803 in words is "one hundred thirteen billion, nine hundred sixty-one million, five hundred thirty-seven thousand, eight hundred three".