115603839860 has 24 divisors (see below), whose sum is σ = 244621260576. Its totient is φ = 45888546080.

The previous prime is 115603839851. The next prime is 115603839863. The reversal of 115603839860 is 68938306511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 115603839799 and 115603839808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115603839863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22059182 + ... + 22064421.

It is an arithmetic number, because the mean of its divisors is an integer number (10192552524).

Almost surely, 2^115603839860 is an apocalyptic number.

115603839860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115603839860 is an abundant number, since it is smaller than the sum of its proper divisors (129017420716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115603839860 is a wasteful number, since it uses less digits than its factorization.

115603839860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44123743 (or 44123741 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 115603839860 in words is "one hundred fifteen billion, six hundred three million, eight hundred thirty-nine thousand, eight hundred sixty".