115863990547 has 2 divisors, whose sum is σ = 115863990548. Its totient is φ = 115863990546.

The previous prime is 115863990521. The next prime is 115863990577. The reversal of 115863990547 is 745099368511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115863990547 - 2¹⁹ = 115863466259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115863990491 and 115863990500.

It is not a weakly prime, because it can be changed into another prime (115863990577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57931995273 + 57931995274.

It is an arithmetic number, because the mean of its divisors is an integer number (57931995274).

Almost surely, 2^115863990547 is an apocalyptic number.

115863990547 is a deficient number, since it is larger than the sum of its proper divisors (1).

115863990547 is an equidigital number, since it uses as much as digits as its factorization.

115863990547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8164800, while the sum is 58.

The spelling of 115863990547 in words is "one hundred fifteen billion, eight hundred sixty-three million, nine hundred ninety thousand, five hundred forty-seven".