115276044585649 has 4 divisors (see below), whose sum is σ = 116117475568164. Its totient is φ = 114434613603136.

The previous prime is 115276044585641. The next prime is 115276044585659. The reversal of 115276044585649 is 946585440672511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38394976391424 + 76881068194225 = 6196368^2 + 8768185^2 .

It is a cyclic number.

It is not a de Polignac number, because 115276044585649 - 2³ = 115276044585641 is a prime.

It is a super-2 number, since 2×115276044585649² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115276044585641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420715491052 + ... + 420715491325.

It is an arithmetic number, because the mean of its divisors is an integer number (29029368892041).

Almost surely, 2^{115276044585649} is an apocalyptic number.

It is an amenable number.

115276044585649 is a deficient number, since it is larger than the sum of its proper divisors (841430982515).

115276044585649 is an equidigital number, since it uses as much as digits as its factorization.

115276044585649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841430982514.

The product of its (nonzero) digits is 290304000, while the sum is 67.

The spelling of 115276044585649 in words is "one hundred fifteen trillion, two hundred seventy-six billion, forty-four million, five hundred eighty-five thousand, six hundred forty-nine".