1151334265 has 32 divisors (see below), whose sum is σ = 1519119360. Its totient is φ = 833894400.

The previous prime is 1151334263. The next prime is 1151334269. The reversal of 1151334265 is 5624331511.

It is not a de Polignac number, because 1151334265 - 2¹ = 1151334263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (1151334263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 470445 + ... + 472885.

It is an arithmetic number, because the mean of its divisors is an integer number (47472480).

Almost surely, 2^1151334265 is an apocalyptic number.

It is an amenable number.

1151334265 is a deficient number, since it is larger than the sum of its proper divisors (367785095).

1151334265 is a wasteful number, since it uses less digits than its factorization.

1151334265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673.

The product of its digits is 10800, while the sum is 31.

The square root of 1151334265 is about 33931.3168768912. The cubic root of 1151334265 is about 1048.0945836710.

Adding to 1151334265 its reverse (5624331511), we get a palindrome (6775665776).

The spelling of 1151334265 in words is "one billion, one hundred fifty-one million, three hundred thirty-four thousand, two hundred sixty-five".