1135882661 has 8 divisors (see below), whose sum is σ = 1148793984. Its totient is φ = 1123007760.

The previous prime is 1135882651. The next prime is 1135882673. The reversal of 1135882661 is 1662885311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1135882661 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 (1135882651) 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, 56255 + ... + 73731.

It is an arithmetic number, because the mean of its divisors is an integer number (143599248).

Almost surely, 2^1135882661 is an apocalyptic number.

It is an amenable number.

1135882661 is a deficient number, since it is larger than the sum of its proper divisors (12911323).

1135882661 is a wasteful number, since it uses less digits than its factorization.

1135882661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18211.

The product of its digits is 69120, while the sum is 41.

The square root of 1135882661 is about 33702.8583505910. The cubic root of 1135882661 is about 1043.3847625663.

The spelling of 1135882661 in words is "one billion, one hundred thirty-five million, eight hundred eighty-two thousand, six hundred sixty-one".