115263400365506 has 4 divisors (see below), whose sum is σ = 172895100548262. Its totient is φ = 57631700182752.

The previous prime is 115263400365391. The next prime is 115263400365511. The reversal of 115263400365506 is 605563004362511.

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

It can be written as a sum of positive squares in only one way, i.e., 113941555784281 + 1321844581225 = 10674341^2 + 1149715^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28815850091375 + ... + 28815850091378.

Almost surely, 2^{115263400365506} is an apocalyptic number.

115263400365506 is a deficient number, since it is larger than the sum of its proper divisors (57631700182756).

115263400365506 is an equidigital number, since it uses as much as digits as its factorization.

115263400365506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57631700182755.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 115263400365506 in words is "one hundred fifteen trillion, two hundred sixty-three billion, four hundred million, three hundred sixty-five thousand, five hundred six".