115001205243 has 16 divisors (see below), whose sum is σ = 162410510880. Its totient is φ = 72132788736.

The previous prime is 115001205169. The next prime is 115001205283. The reversal of 115001205243 is 342502100511.

It is a happy number.

It is not a de Polignac number, because 115001205243 - 2⁸ = 115001204987 is a prime.

It is a super-2 number, since 2×115001205243² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115001205283) 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, 237748 + ... + 535281.

It is an arithmetic number, because the mean of its divisors is an integer number (10150656930).

Almost surely, 2^115001205243 is an apocalyptic number.

115001205243 is a deficient number, since it is larger than the sum of its proper divisors (47409305637).

115001205243 is a wasteful number, since it uses less digits than its factorization.

115001205243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775966.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 115001205243 its reverse (342502100511), we get a palindrome (457503305754).

The spelling of 115001205243 in words is "one hundred fifteen billion, one million, two hundred five thousand, two hundred forty-three".