1115550566605 has 32 divisors (see below), whose sum is σ = 1457335369728. Its totient is φ = 816432998400.

The previous prime is 1115550566569. The next prime is 1115550566693. The reversal of 1115550566605 is 5066650555111.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1115550566605 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 353844 + ... + 1535026.

It is an arithmetic number, because the mean of its divisors is an integer number (45541730304).

Almost surely, 2^{1115550566605} is an apocalyptic number.

It is an amenable number.

1115550566605 is a deficient number, since it is larger than the sum of its proper divisors (341784803123).

1115550566605 is a wasteful number, since it uses less digits than its factorization.

1115550566605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181517.

The product of its (nonzero) digits is 675000, while the sum is 46.

The spelling of 1115550566605 in words is "one trillion, one hundred fifteen billion, five hundred fifty million, five hundred sixty-six thousand, six hundred five".