112523121265 has 4 divisors (see below), whose sum is σ = 135027745524. Its totient is φ = 90018497008.

The previous prime is 112523121197. The next prime is 112523121281. The reversal of 112523121265 is 562121325211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34751297889 + 77771823376 = 186417^2 + 278876^2 .

It is a cyclic number.

It is not a de Polignac number, because 112523121265 - 2¹¹ = 112523119217 is a prime.

It is a super-2 number, since 2×112523121265² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11252312122 + ... + 11252312131.

It is an arithmetic number, because the mean of its divisors is an integer number (33756936381).

Almost surely, 2^112523121265 is an apocalyptic number.

It is an amenable number.

112523121265 is a deficient number, since it is larger than the sum of its proper divisors (22504624259).

112523121265 is an equidigital number, since it uses as much as digits as its factorization.

112523121265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22504624258.

The product of its digits is 7200, while the sum is 31.

Adding to 112523121265 its reverse (562121325211), we get a palindrome (674644446476).

The spelling of 112523121265 in words is "one hundred twelve billion, five hundred twenty-three million, one hundred twenty-one thousand, two hundred sixty-five".