115561065223 has 8 divisors (see below), whose sum is σ = 122408822592. Its totient is φ = 108718868736.

The previous prime is 115561065203. The next prime is 115561065229. The reversal of 115561065223 is 322560165511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115561065223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115561065229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1347390 + ... + 1430587.

It is an arithmetic number, because the mean of its divisors is an integer number (15301102824).

Almost surely, 2^115561065223 is an apocalyptic number.

115561065223 is a deficient number, since it is larger than the sum of its proper divisors (6847757369).

115561065223 is a wasteful number, since it uses less digits than its factorization.

115561065223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780441.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 115561065223 in words is "one hundred fifteen billion, five hundred sixty-one million, sixty-five thousand, two hundred twenty-three".