1135563803 has 8 divisors (see below), whose sum is σ = 1243940016. Its totient is φ = 1028044800.

The previous prime is 1135563791. The next prime is 1135563857. The reversal of 1135563803 is 3083655311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1135563803 - 2¹⁶ = 1135498267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1135563703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211526 + ... + 216827.

It is an arithmetic number, because the mean of its divisors is an integer number (155492502).

Almost surely, 2^1135563803 is an apocalyptic number.

1135563803 is a deficient number, since it is larger than the sum of its proper divisors (108376213).

1135563803 is a wasteful number, since it uses less digits than its factorization.

1135563803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428605.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 1135563803 is about 33698.1275889329. The cubic root of 1135563803 is about 1043.2871225766.

The spelling of 1135563803 in words is "one billion, one hundred thirty-five million, five hundred sixty-three thousand, eight hundred three".