113551603563 has 16 divisors (see below), whose sum is σ = 152378858016. Its totient is φ = 75213761280.

The previous prime is 113551603537. The next prime is 113551603567. The reversal of 113551603563 is 365306155311.

It is not a de Polignac number, because 113551603563 - 2⁶ = 113551603499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113551603567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302143 + ... + 564263.

It is an arithmetic number, because the mean of its divisors is an integer number (9523678626).

Almost surely, 2^113551603563 is an apocalyptic number.

113551603563 is a deficient number, since it is larger than the sum of its proper divisors (38827254453).

113551603563 is a wasteful number, since it uses less digits than its factorization.

113551603563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263054.

The product of its (nonzero) digits is 121500, while the sum is 39.

Adding to 113551603563 its reverse (365306155311), we get a palindrome (478857758874).

The spelling of 113551603563 in words is "one hundred thirteen billion, five hundred fifty-one million, six hundred three thousand, five hundred sixty-three".