1100665552897 has 16 divisors (see below), whose sum is σ = 1156376441088. Its totient is φ = 1045612339200.

The previous prime is 1100665552867. The next prime is 1100665552933. The reversal of 1100665552897 is 7982555660011.

It is a cyclic number.

It is not a de Polignac number, because 1100665552897 - 2⁷ = 1100665552769 is a prime.

It is a super-2 number, since 2×1100665552897² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100665552867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17308953 + ... + 17372425.

It is an arithmetic number, because the mean of its divisors is an integer number (72273527568).

Almost surely, 2^{1100665552897} is an apocalyptic number.

It is an amenable number.

1100665552897 is a deficient number, since it is larger than the sum of its proper divisors (55710888191).

1100665552897 is a wasteful number, since it uses less digits than its factorization.

1100665552897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68640.

The product of its (nonzero) digits is 4536000, while the sum is 55.

The spelling of 1100665552897 in words is "one trillion, one hundred billion, six hundred sixty-five million, five hundred fifty-two thousand, eight hundred ninety-seven".