1152005313 has 16 divisors (see below), whose sum is σ = 1564489152. Its totient is φ = 753816000.

The previous prime is 1152005273. The next prime is 1152005333. The reversal of 1152005313 is 3135002511.

It is not a de Polignac number, because 1152005313 - 2¹⁸ = 1151743169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1152005313.

It is not an unprimeable number, because it can be changed into a prime (1152005333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83443 + ... + 96263.

It is an arithmetic number, because the mean of its divisors is an integer number (97780572).

Almost surely, 2^1152005313 is an apocalyptic number.

It is an amenable number.

1152005313 is a deficient number, since it is larger than the sum of its proper divisors (412483839).

1152005313 is a wasteful number, since it uses less digits than its factorization.

1152005313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13376.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1152005313 is about 33941.2037647459. The cubic root of 1152005313 is about 1048.2981692550.

Adding to 1152005313 its reverse (3135002511), we get a palindrome (4287007824).

The spelling of 1152005313 in words is "one billion, one hundred fifty-two million, five thousand, three hundred thirteen".