115103397387 has 18 divisors (see below), whose sum is σ = 168700954324. Its totient is φ = 69755717240.

The previous prime is 115103397371. The next prime is 115103397433. The reversal of 115103397387 is 783793301511.

It is not a de Polignac number, because 115103397387 - 2⁴ = 115103397371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115103397287) by changing a digit.

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 in 17 ways as a sum of consecutive naturals, for example, 6455038 + ... + 6472844.

Almost surely, 2^115103397387 is an apocalyptic number.

115103397387 is a deficient number, since it is larger than the sum of its proper divisors (53597556937).

115103397387 is an frugal number, since it uses more digits than its factorization.

115103397387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35639 (or 17821 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 48.

Multiplying 115103397387 by its sum of digits (48), we get a square (5524963074576 = 2350524²).

Adding to 115103397387 its reverse (783793301511), we get a palindrome (898896698898).

The spelling of 115103397387 in words is "one hundred fifteen billion, one hundred three million, three hundred ninety-seven thousand, three hundred eighty-seven".