1311068545 has 16 divisors (see below), whose sum is σ = 1623509568. Its totient is φ = 1015640640.

The previous prime is 1311068537. The next prime is 1311068573. The reversal of 1311068545 is 5458601131.

It is not a de Polignac number, because 1311068545 - 2³ = 1311068537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1311068545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22242 + ... + 55828.

It is an arithmetic number, because the mean of its divisors is an integer number (101469348).

Almost surely, 2^1311068545 is an apocalyptic number.

It is an amenable number.

1311068545 is a deficient number, since it is larger than the sum of its proper divisors (312441023).

1311068545 is a wasteful number, since it uses less digits than its factorization.

1311068545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33840.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 1311068545 is about 36208.6805200079. The cubic root of 1311068545 is about 1094.4816030646.

Adding to 1311068545 its reverse (5458601131), we get a palindrome (6769669676).

The spelling of 1311068545 in words is "one billion, three hundred eleven million, sixty-eight thousand, five hundred forty-five".