116213381787 has 16 divisors (see below), whose sum is σ = 155547401760. Its totient is φ = 77177920512.

The previous prime is 116213381749. The next prime is 116213381849. The reversal of 116213381787 is 787183312611.

It is not a de Polignac number, because 116213381787 - 2¹⁰ = 116213380763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116213381717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1000789 + ... + 1110857.

It is an arithmetic number, because the mean of its divisors is an integer number (9721712610).

Almost surely, 2^116213381787 is an apocalyptic number.

116213381787 is a deficient number, since it is larger than the sum of its proper divisors (39334019973).

116213381787 is a wasteful number, since it uses less digits than its factorization.

116213381787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111422.

The product of its digits is 338688, while the sum is 48.

The spelling of 116213381787 in words is "one hundred sixteen billion, two hundred thirteen million, three hundred eighty-one thousand, seven hundred eighty-seven".