1115651606105 has 16 divisors (see below), whose sum is σ = 1447694104320. Its totient is φ = 822147263232.

The previous prime is 1115651606099. The next prime is 1115651606141. The reversal of 1115651606105 is 5016061565111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1115651606105 - 2³² = 1111356638809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139626995 + ... + 139634984.

It is an arithmetic number, because the mean of its divisors is an integer number (90480881520).

Almost surely, 2^{1115651606105} is an apocalyptic number.

It is an amenable number.

1115651606105 is a deficient number, since it is larger than the sum of its proper divisors (332042498215).

1115651606105 is a wasteful number, since it uses less digits than its factorization.

1115651606105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279262048.

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 1115651606105 in words is "one trillion, one hundred fifteen billion, six hundred fifty-one million, six hundred six thousand, one hundred five".