113403015505 has 16 divisors (see below), whose sum is σ = 150512446224. Its totient is φ = 81480418560.

The previous prime is 113403015437. The next prime is 113403015529. The reversal of 113403015505 is 505510304311.

It can be written as a sum of positive squares in 8 ways, for example, as 11225614401 + 102177401104 = 105951^2 + 319652^2 .

It is not a de Polignac number, because 113403015505 - 2²³ = 113394626897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23574106 + ... + 23578915.

It is an arithmetic number, because the mean of its divisors is an integer number (9407027889).

Almost surely, 2^113403015505 is an apocalyptic number.

It is an amenable number.

113403015505 is a deficient number, since it is larger than the sum of its proper divisors (37109430719).

113403015505 is a wasteful number, since it uses less digits than its factorization.

113403015505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47153076.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 113403015505 its reverse (505510304311), we get a palindrome (618913319816).

The spelling of 113403015505 in words is "one hundred thirteen billion, four hundred three million, fifteen thousand, five hundred five".