1355799599 has 16 divisors (see below), whose sum is σ = 1714162176. Its totient is φ = 1041583200.

The previous prime is 1355799593. The next prime is 1355799611. The reversal of 1355799599 is 9959975531.

It is not a de Polignac number, because 1355799599 - 2⁴ = 1355799583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355799593) 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, 118532 + ... + 129465.

It is an arithmetic number, because the mean of its divisors is an integer number (107135136).

Almost surely, 2^1355799599 is an apocalyptic number.

1355799599 is a deficient number, since it is larger than the sum of its proper divisors (358362577).

1355799599 is a wasteful number, since it uses less digits than its factorization.

1355799599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248086.

The product of its digits is 17222625, while the sum is 62.

The square root of 1355799599 is about 36821.1841064353. The cubic root of 1355799599 is about 1106.7898482764.

The spelling of 1355799599 in words is "one billion, three hundred fifty-five million, seven hundred ninety-nine thousand, five hundred ninety-nine".