115319527143442 has 4 divisors (see below), whose sum is σ = 172979290715166. Its totient is φ = 57659763571720.

The previous prime is 115319527143439. The next prime is 115319527143449. The reversal of 115319527143442 is 244341725913511.

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., 78553992098761 + 36765535044681 = 8863069^2 + 6063459^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 115319527143442.

It is not an unprimeable number, because it can be changed into a prime (115319527143449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28829881785859 + ... + 28829881785862.

Almost surely, 2^{115319527143442} is an apocalyptic number.

115319527143442 is a deficient number, since it is larger than the sum of its proper divisors (57659763571724).

115319527143442 is an equidigital number, since it uses as much as digits as its factorization.

115319527143442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57659763571723.

The product of its digits is 3628800, while the sum is 52.

The spelling of 115319527143442 in words is "one hundred fifteen trillion, three hundred nineteen billion, five hundred twenty-seven million, one hundred forty-three thousand, four hundred forty-two".