1133815066961 has 4 divisors (see below), whose sum is σ = 1133920755300. Its totient is φ = 1133709378624.

The previous prime is 1133815066927. The next prime is 1133815066973. The reversal of 1133815066961 is 1696605183311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 320627737600 + 813187329361 = 566240^2 + 901769^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133815066961 - 2²² = 1133810872657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133815066991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52828076 + ... + 52849533.

It is an arithmetic number, because the mean of its divisors is an integer number (283480188825).

Almost surely, 2^{1133815066961} is an apocalyptic number.

It is an amenable number.

1133815066961 is a deficient number, since it is larger than the sum of its proper divisors (105688339).

1133815066961 is a wasteful number, since it uses less digits than its factorization.

1133815066961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105688338.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 1133815066961 in words is "one trillion, one hundred thirty-three billion, eight hundred fifteen million, sixty-six thousand, nine hundred sixty-one".