115212235142 has 4 divisors (see below), whose sum is σ = 172818352716. Its totient is φ = 57606117570.

The previous prime is 115212235123. The next prime is 115212235163. The reversal of 115212235142 is 241532212511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241532212511 = 103 ⋅2344972937.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 28803058784 + ... + 28803058787.

It is an arithmetic number, because the mean of its divisors is an integer number (43204588179).

Almost surely, 2^115212235142 is an apocalyptic number.

115212235142 is a deficient number, since it is larger than the sum of its proper divisors (57606117574).

115212235142 is an equidigital number, since it uses as much as digits as its factorization.

115212235142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57606117573.

The product of its digits is 4800, while the sum is 29.

Adding to 115212235142 its reverse (241532212511), we get a palindrome (356744447653).

The spelling of 115212235142 in words is "one hundred fifteen billion, two hundred twelve million, two hundred thirty-five thousand, one hundred forty-two".