1131633065 has 8 divisors (see below), whose sum is σ = 1429431360. Its totient is φ = 857658672.

The previous prime is 1131633059. The next prime is 1131633077. The reversal of 1131633065 is 5603361311.

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 1131633065 - 2⁶ = 1131633001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5955869 + ... + 5956058.

It is an arithmetic number, because the mean of its divisors is an integer number (178678920).

Almost surely, 2^1131633065 is an apocalyptic number.

It is an amenable number.

1131633065 is a deficient number, since it is larger than the sum of its proper divisors (297798295).

1131633065 is a wasteful number, since it uses less digits than its factorization.

1131633065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11911951.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 1131633065 is about 33639.7542351308. The cubic root of 1131633065 is about 1042.0819564235.

Adding to 1131633065 its reverse (5603361311), we get a palindrome (6734994376).

The spelling of 1131633065 in words is "one billion, one hundred thirty-one million, six hundred thirty-three thousand, sixty-five".