115152541221205 has 32 divisors (see below), whose sum is σ = 147394663083360. Its totient is φ = 86061325025280.

The previous prime is 115152541221199. The next prime is 115152541221209. The reversal of 115152541221205 is 502122145251511.

It can be written as a sum of positive squares in 16 ways, for example, as 66033066961 + 115086508154244 = 256969^2 + 10727838^2 .

It is not a de Polignac number, because 115152541221205 - 2⁷ = 115152541221077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115152541221209) 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 31 ways as a sum of consecutive naturals, for example, 113253885 + ... + 114266125.

It is an arithmetic number, because the mean of its divisors is an integer number (4606083221355).

Almost surely, 2^{115152541221205} is an apocalyptic number.

It is an amenable number.

115152541221205 is a deficient number, since it is larger than the sum of its proper divisors (32242121862155).

115152541221205 is a wasteful number, since it uses less digits than its factorization.

115152541221205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022169.

The product of its (nonzero) digits is 40000, while the sum is 37.

Adding to 115152541221205 its reverse (502122145251511), we get a palindrome (617274686472716).

The spelling of 115152541221205 in words is "one hundred fifteen trillion, one hundred fifty-two billion, five hundred forty-one million, two hundred twenty-one thousand, two hundred five".