1135969654661 has 2 divisors, whose sum is σ = 1135969654662. Its totient is φ = 1135969654660.

The previous prime is 1135969654637. The next prime is 1135969654693. The reversal of 1135969654661 is 1664569695311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 890777316100 + 245192338561 = 943810^2 + 495169^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135969654661 - 2⁶ = 1135969654597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1135969654594 and 1135969654603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1135969654361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567984827330 + 567984827331.

It is an arithmetic number, because the mean of its divisors is an integer number (567984827331).

Almost surely, 2^{1135969654661} is an apocalyptic number.

It is an amenable number.

1135969654661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135969654661 is an equidigital number, since it uses as much as digits as its factorization.

1135969654661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31492800, while the sum is 62.

The spelling of 1135969654661 in words is "one trillion, one hundred thirty-five billion, nine hundred sixty-nine million, six hundred fifty-four thousand, six hundred sixty-one".