116821140587 has 2 divisors, whose sum is σ = 116821140588. Its totient is φ = 116821140586.

The previous prime is 116821140563. The next prime is 116821140589. The reversal of 116821140587 is 785041128611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116821140587 - 2⁶ = 116821140523 is a prime.

Together with 116821140589, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (116821140589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58410570293 + 58410570294.

It is an arithmetic number, because the mean of its divisors is an integer number (58410570294).

Almost surely, 2^116821140587 is an apocalyptic number.

116821140587 is a deficient number, since it is larger than the sum of its proper divisors (1).

116821140587 is an equidigital number, since it uses as much as digits as its factorization.

116821140587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 44.

The spelling of 116821140587 in words is "one hundred sixteen billion, eight hundred twenty-one million, one hundred forty thousand, five hundred eighty-seven".