113153805 has 12 divisors (see below), whose sum is σ = 196133340. Its totient is φ = 60348672.

The previous prime is 113153791. The next prime is 113153839. The reversal of 113153805 is 508351311.

It can be written as a sum of positive squares in 2 ways, for example, as 87721956 + 25431849 = 9366^2 + 5043^2 .

It is not a de Polignac number, because 113153805 - 2⁵ = 113153773 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1257220 + ... + 1257309.

It is an arithmetic number, because the mean of its divisors is an integer number (16344445).

Almost surely, 2^113153805 is an apocalyptic number.

113153805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113153805 is a deficient number, since it is larger than the sum of its proper divisors (82979535).

113153805 is a wasteful number, since it uses less digits than its factorization.

113153805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514540 (or 2514537 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 113153805 is about 10637.3777313772. The cubic root of 113153805 is about 483.6780595301.

It can be divided in two parts, 11 and 3153805, that added together give a triangular number (3153816 = T₂₅₁₁).

The spelling of 113153805 in words is "one hundred thirteen million, one hundred fifty-three thousand, eight hundred five".