1135689011 has 4 divisors (see below), whose sum is σ = 1142489712. Its totient is φ = 1128888312.

The previous prime is 1135688987. The next prime is 1135689017. The reversal of 1135689011 is 1109865311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1135689011 - 2⁶ = 1135688947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1135689017) 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, 3400100 + ... + 3400433.

It is an arithmetic number, because the mean of its divisors is an integer number (285622428).

Almost surely, 2^1135689011 is an apocalyptic number.

1135689011 is a deficient number, since it is larger than the sum of its proper divisors (6800701).

1135689011 is an equidigital number, since it uses as much as digits as its factorization.

1135689011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800700.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 1135689011 is about 33699.9853264063. The cubic root of 1135689011 is about 1043.3254656719.

The spelling of 1135689011 in words is "one billion, one hundred thirty-five million, six hundred eighty-nine thousand, eleven".