113554505 has 16 divisors (see below), whose sum is σ = 138756240. Its totient is φ = 89198592.

The previous prime is 113554501. The next prime is 113554523. The reversal of 113554505 is 505455311.

It can be written as a sum of positive squares in 8 ways, for example, as 5456896 + 108097609 = 2336^2 + 10397^2 .

It is a cyclic number.

It is not a de Polignac number, because 113554505 - 2² = 113554501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113554501) 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, 65591 + ... + 67299.

It is an arithmetic number, because the mean of its divisors is an integer number (8672265).

Almost surely, 2^113554505 is an apocalyptic number.

It is an amenable number.

113554505 is a deficient number, since it is larger than the sum of its proper divisors (25201735).

113554505 is a wasteful number, since it uses less digits than its factorization.

113554505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 113554505 is about 10656.1956156970. The cubic root of 113554505 is about 484.2483201429.

The spelling of 113554505 in words is "one hundred thirteen million, five hundred fifty-four thousand, five hundred five".