115319330569 has 27 divisors (see below), whose sum is σ = 124159887189. Its totient is φ = 107092156320.

The previous prime is 115319330557. The next prime is 115319330573. The reversal of 115319330569 is 965033913511.

The square root of 115319330569 is 339587.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 322382025 + 114996948544 = 17955^2 + 339112^2 .

It is not a de Polignac number, because 115319330569 - 2²³ = 115310941961 is a prime.

It is a super-2 number, since 2×115319330569² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115319330579) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 393581187 + ... + 393581479.

Almost surely, 2^115319330569 is an apocalyptic number.

115319330569 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

115319330569 is the 339587-th square number.

115319330569 is the 169794-th centered octagonal number.

It is an amenable number.

115319330569 is a deficient number, since it is larger than the sum of its proper divisors (8840556620).

115319330569 is an frugal number, since it uses more digits than its factorization.

115319330569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 328050, while the sum is 46.

The spelling of 115319330569 in words is "one hundred fifteen billion, three hundred nineteen million, three hundred thirty thousand, five hundred sixty-nine".