1135507563 has 12 divisors (see below), whose sum is σ = 1671125040. Its totient is φ = 742721616.

The previous prime is 1135507561. The next prime is 1135507589. The reversal of 1135507563 is 3657055311.

1135507563 is a `hidden beast` number, since 11 + 35 + 50 + 7 + 563 = 666.

It is not a de Polignac number, because 1135507563 - 2¹ = 1135507561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1135507561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1189783 + ... + 1190736.

It is an arithmetic number, because the mean of its divisors is an integer number (139260420).

Almost surely, 2^1135507563 is an apocalyptic number.

1135507563 is a deficient number, since it is larger than the sum of its proper divisors (535617477).

1135507563 is a wasteful number, since it uses less digits than its factorization.

1135507563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380578 (or 2380575 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 1135507563 is about 33697.2931108717. The cubic root of 1135507563 is about 1043.2698989924.

The spelling of 1135507563 in words is "one billion, one hundred thirty-five million, five hundred seven thousand, five hundred sixty-three".