1355775999 has 16 divisors (see below), whose sum is σ = 1827969024. Its totient is φ = 893772000.

The previous prime is 1355775997. The next prime is 1355776039. The reversal of 1355775999 is 9995775531.

1355775999 is nontrivially palindromic in base 11.

It is not a de Polignac number, because 1355775999 - 2¹ = 1355775997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355775997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94309 + ... + 107729.

It is an arithmetic number, because the mean of its divisors is an integer number (114248064).

Almost surely, 2^1355775999 is an apocalyptic number.

1355775999 is a deficient number, since it is larger than the sum of its proper divisors (472193025).

1355775999 is a wasteful number, since it uses less digits than its factorization.

1355775999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13798.

The product of its digits is 13395375, while the sum is 60.

The square root of 1355775999 is about 36820.8636373456. The cubic root of 1355775999 is about 1106.7834263854.

The spelling of 1355775999 in words is "one billion, three hundred fifty-five million, seven hundred seventy-five thousand, nine hundred ninety-nine".