115901287886 has 32 divisors (see below), whose sum is σ = 181891967040. Its totient is φ = 55317298176.

The previous prime is 115901287861. The next prime is 115901287907. The reversal of 115901287886 is 688782109511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5598791 + ... + 5619453.

It is an arithmetic number, because the mean of its divisors is an integer number (5684123970).

Almost surely, 2^115901287886 is an apocalyptic number.

115901287886 is a deficient number, since it is larger than the sum of its proper divisors (65990679154).

115901287886 is a wasteful number, since it uses less digits than its factorization.

115901287886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21788.

The product of its (nonzero) digits is 1935360, while the sum is 56.

The spelling of 115901287886 in words is "one hundred fifteen billion, nine hundred one million, two hundred eighty-seven thousand, eight hundred eighty-six".