115780984851 has 16 divisors (see below), whose sum is σ = 176754299648. Its totient is φ = 66038263200.

The previous prime is 115780984843. The next prime is 115780984889. The reversal of 115780984851 is 158489087511.

It is a happy number.

It is not a de Polignac number, because 115780984851 - 2³ = 115780984843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115780984791 and 115780984800.

It is not an unprimeable number, because it can be changed into a prime (115780984841) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 5084185 + ... + 5106906.

It is an arithmetic number, because the mean of its divisors is an integer number (11047143728).

Almost surely, 2^115780984851 is an apocalyptic number.

115780984851 is a deficient number, since it is larger than the sum of its proper divisors (60973314797).

115780984851 is a wasteful number, since it uses less digits than its factorization.

115780984851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10191642.

The product of its (nonzero) digits is 3225600, while the sum is 57.

The spelling of 115780984851 in words is "one hundred fifteen billion, seven hundred eighty million, nine hundred eighty-four thousand, eight hundred fifty-one".