1130665311 has 40 divisors (see below), whose sum is σ = 1758575280. Its totient is φ = 723074688.

The previous prime is 1130665309. The next prime is 1130665339. The reversal of 1130665311 is 1135660311.

1130665311 is a `hidden beast` number, since 1 + 1 + 3 + 0 + 6 + 653 + 1 + 1 = 666.

It is not a de Polignac number, because 1130665311 - 2¹ = 1130665309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130655311) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 381411 + ... + 384363.

It is an arithmetic number, because the mean of its divisors is an integer number (43964382).

Almost surely, 2^1130665311 is an apocalyptic number.

1130665311 is a deficient number, since it is larger than the sum of its proper divisors (627909969).

1130665311 is a wasteful number, since it uses less digits than its factorization.

1130665311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157 (or 3148 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 1130665311 is about 33625.3670760633. The cubic root of 1130665311 is about 1041.7848145826.

The spelling of 1130665311 in words is "one billion, one hundred thirty million, six hundred sixty-five thousand, three hundred eleven".