115078137446 has 4 divisors (see below), whose sum is σ = 172617206172. Its totient is φ = 57539068722.

The previous prime is 115078137431. The next prime is 115078137487. The reversal of 115078137446 is 644731870511.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 115078137446.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28769534360 + ... + 28769534363.

It is an arithmetic number, because the mean of its divisors is an integer number (43154301543).

Almost surely, 2^115078137446 is an apocalyptic number.

115078137446 is a deficient number, since it is larger than the sum of its proper divisors (57539068726).

115078137446 is an equidigital number, since it uses as much as digits as its factorization.

115078137446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57539068725.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 115078137446 in words is "one hundred fifteen billion, seventy-eight million, one hundred thirty-seven thousand, four hundred forty-six".