1375516563 has 16 divisors (see below), whose sum is σ = 1949308416. Its totient is φ = 859779200.

The previous prime is 1375516547. The next prime is 1375516591. The reversal of 1375516563 is 3656155731.

It is a cyclic number.

It is not a de Polignac number, because 1375516563 - 2⁴ = 1375516547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1375516063) 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, 37863 + ... + 64688.

It is an arithmetic number, because the mean of its divisors is an integer number (121831776).

Almost surely, 2^1375516563 is an apocalyptic number.

1375516563 is a deficient number, since it is larger than the sum of its proper divisors (573791853).

1375516563 is a wasteful number, since it uses less digits than its factorization.

1375516563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102834.

The product of its digits is 283500, while the sum is 42.

The square root of 1375516563 is about 37087.9571154843. The cubic root of 1375516563 is about 1112.1292794656.

The spelling of 1375516563 in words is "one billion, three hundred seventy-five million, five hundred sixteen thousand, five hundred sixty-three".