115724385442 has 8 divisors (see below), whose sum is σ = 175964476716. Its totient is φ = 57069559872.

The previous prime is 115724385407. The next prime is 115724385443. The reversal of 115724385442 is 244583427511.

It is a happy number.

115724385442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 101793540601 + 13930844841 = 319051^2 + 118029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 115724385392 and 115724385401.

It is not an unprimeable number, because it can be changed into a prime (115724385443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396316243 + ... + 396316534.

Almost surely, 2^115724385442 is an apocalyptic number.

115724385442 is a deficient number, since it is larger than the sum of its proper divisors (60240091274).

115724385442 is an equidigital number, since it uses as much as digits as its factorization.

115724385442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792632852.

The product of its digits is 1075200, while the sum is 46.

The spelling of 115724385442 in words is "one hundred fifteen billion, seven hundred twenty-four million, three hundred eighty-five thousand, four hundred forty-two".