115636780871 has 2 divisors, whose sum is σ = 115636780872. Its totient is φ = 115636780870.

The previous prime is 115636780867. The next prime is 115636780939. The reversal of 115636780871 is 178087636511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115636780871 - 2² = 115636780867 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115636782871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57818390435 + 57818390436.

It is an arithmetic number, because the mean of its divisors is an integer number (57818390436).

Almost surely, 2^115636780871 is an apocalyptic number.

115636780871 is a deficient number, since it is larger than the sum of its proper divisors (1).

115636780871 is an equidigital number, since it uses as much as digits as its factorization.

115636780871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 115636780871 in words is "one hundred fifteen billion, six hundred thirty-six million, seven hundred eighty thousand, eight hundred seventy-one".