112261361009 has 4 divisors (see below), whose sum is σ = 128298698304. Its totient is φ = 96224023716.

The previous prime is 112261360979. The next prime is 112261361029. The reversal of 112261361009 is 900163162211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112261361009 - 2²⁸ = 111992925553 is a prime.

It is a super-2 number, since 2×112261361009² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112261361029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8018668637 + ... + 8018668650.

It is an arithmetic number, because the mean of its divisors is an integer number (32074674576).

Almost surely, 2^112261361009 is an apocalyptic number.

It is an amenable number.

112261361009 is a deficient number, since it is larger than the sum of its proper divisors (16037337295).

112261361009 is an equidigital number, since it uses as much as digits as its factorization.

112261361009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16037337294.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 112261361009 in words is "one hundred twelve billion, two hundred sixty-one million, three hundred sixty-one thousand, nine".