115313378 has 4 divisors (see below), whose sum is σ = 172970070. Its totient is φ = 57656688.

The previous prime is 115313371. The next prime is 115313381. The reversal of 115313378 is 873313511.

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., 59706529 + 55606849 = 7727^2 + 7457^2 .

It is not an unprimeable number, because it can be changed into a prime (115313371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28828343 + ... + 28828346.

Almost surely, 2^115313378 is an apocalyptic number.

115313378 is a deficient number, since it is larger than the sum of its proper divisors (57656692).

115313378 is an equidigital number, since it uses as much as digits as its factorization.

115313378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57656691.

The product of its digits is 7560, while the sum is 32.

The square root of 115313378 is about 10738.4066788328. The cubic root of 115313378 is about 486.7357341353.

Adding to 115313378 its reverse (873313511), we get a palindrome (988626889).

The spelling of 115313378 in words is "one hundred fifteen million, three hundred thirteen thousand, three hundred seventy-eight".