1563145311 has 16 divisors (see below), whose sum is σ = 2565161984. Its totient is φ = 824516064.

The previous prime is 1563145273. The next prime is 1563145319. The reversal of 1563145311 is 1135413651.

It is not a de Polignac number, because 1563145311 - 2⁹ = 1563144799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1563145319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2862631 + ... + 2863176.

It is an arithmetic number, because the mean of its divisors is an integer number (160322624).

Almost surely, 2^1563145311 is an apocalyptic number.

1563145311 is a deficient number, since it is larger than the sum of its proper divisors (1002016673).

1563145311 is a wasteful number, since it uses less digits than its factorization.

1563145311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5725830.

The product of its digits is 5400, while the sum is 30.

The square root of 1563145311 is about 39536.6325197278. The cubic root of 1563145311 is about 1160.5569340607.

Adding to 1563145311 its reverse (1135413651), we get a palindrome (2698558962).

The spelling of 1563145311 in words is "one billion, five hundred sixty-three million, one hundred forty-five thousand, three hundred eleven".