113551603 has 8 divisors (see below), whose sum is σ = 124899696. Its totient is φ = 103227520.

The previous prime is 113551597. The next prime is 113551609. The reversal of 113551603 is 306155311.

It is an interprime number because it is at equal distance from previous prime (113551597) and next prime (113551609).

It is a de Polignac number, because none of the positive numbers 2^k-113551603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113551609) 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, 41326 + ... + 43987.

It is an arithmetic number, because the mean of its divisors is an integer number (15612462).

Almost surely, 2^113551603 is an apocalyptic number.

113551603 is a deficient number, since it is larger than the sum of its proper divisors (11348093).

113551603 is an frugal number, since it uses more digits than its factorization.

113551603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85346 (or 85324 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 113551603 is about 10656.0594499092. The cubic root of 113551603 is about 484.2441949562.

The spelling of 113551603 in words is "one hundred thirteen million, five hundred fifty-one thousand, six hundred three".