115212444135145 has 48 divisors (see below), whose sum is σ = 172829194715520. Its totient is φ = 73245809032704.

The previous prime is 115212444135079. The next prime is 115212444135203. The reversal of 115212444135145 is 541531444212511.

It is not a de Polignac number, because 115212444135145 - 2⁷ = 115212444135017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 206154165 + ... + 206712274.

It is an arithmetic number, because the mean of its divisors is an integer number (3600608223240).

Almost surely, 2^{115212444135145} is an apocalyptic number.

It is an amenable number.

115212444135145 is a deficient number, since it is larger than the sum of its proper divisors (57616750580375).

115212444135145 is a wasteful number, since it uses less digits than its factorization.

115212444135145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412866542 (or 412866535 counting only the distinct ones).

The product of its digits is 384000, while the sum is 43.

Adding to 115212444135145 its reverse (541531444212511), we get a palindrome (656743888347656).

The spelling of 115212444135145 in words is "one hundred fifteen trillion, two hundred twelve billion, four hundred forty-four million, one hundred thirty-five thousand, one hundred forty-five".