1100538696689 has 2 divisors, whose sum is σ = 1100538696690. Its totient is φ = 1100538696688.

The previous prime is 1100538696679. The next prime is 1100538696707. The reversal of 1100538696689 is 9866968350011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1094314749025 + 6223947664 = 1046095^2 + 78892^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100538696689 is a prime.

It is a super-2 number, since 2×1100538696689² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1100538696679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550269348344 + 550269348345.

It is an arithmetic number, because the mean of its divisors is an integer number (550269348345).

Almost surely, 2^{1100538696689} is an apocalyptic number.

It is an amenable number.

1100538696689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100538696689 is an equidigital number, since it uses as much as digits as its factorization.

1100538696689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16796160, while the sum is 62.

The spelling of 1100538696689 in words is "one trillion, one hundred billion, five hundred thirty-eight million, six hundred ninety-six thousand, six hundred eighty-nine".