1133564557 has 6 divisors (see below), whose sum is σ = 1174001738. Its totient is φ = 1094475312.

The previous prime is 1133564533. The next prime is 1133564561. The reversal of 1133564557 is 7554653311.

It can be written as a sum of positive squares in 3 ways, for example, as 134119561 + 999444996 = 11581^2 + 31614^2 .

It is not a de Polignac number, because 1133564557 - 2¹¹ = 1133562509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133564587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 673098 + ... + 674779.

Almost surely, 2^1133564557 is an apocalyptic number.

It is an amenable number.

1133564557 is a deficient number, since it is larger than the sum of its proper divisors (40437181).

1133564557 is an equidigital number, since it uses as much as digits as its factorization.

1133564557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347935 (or 1347906 counting only the distinct ones).

The product of its digits is 189000, while the sum is 40.

The square root of 1133564557 is about 33668.4504692449. The cubic root of 1133564557 is about 1042.6745009396.

The spelling of 1133564557 in words is "one billion, one hundred thirty-three million, five hundred sixty-four thousand, five hundred fifty-seven".