113545411225 has 27 divisors (see below), whose sum is σ = 148638564927. Its totient is φ = 86031208080.

The previous prime is 113545411223. The next prime is 113545411279. The reversal of 113545411225 is 522114545311.

The square root of 113545411225 is 336965.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 40876348041 + 72669063184 = 202179^2 + 269572^2 .

It is not a de Polignac number, because 113545411225 - 2¹ = 113545411223 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113545411223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 32009902 + ... + 32013448.

Almost surely, 2^113545411225 is an apocalyptic number.

113545411225 is the 336965-th square number.

113545411225 is the 168483-rd centered octagonal number.

It is an amenable number.

113545411225 is a deficient number, since it is larger than the sum of its proper divisors (35093153702).

113545411225 is an frugal number, since it uses more digits than its factorization.

113545411225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7142 (or 3571 counting only the distinct ones).

The product of its digits is 24000, while the sum is 34.

Adding to 113545411225 its reverse (522114545311), we get a palindrome (635659956536).

The spelling of 113545411225 in words is "one hundred thirteen billion, five hundred forty-five million, four hundred eleven thousand, two hundred twenty-five".