115047945919 has 2 divisors, whose sum is σ = 115047945920. Its totient is φ = 115047945918.

The previous prime is 115047945911. The next prime is 115047945923. The reversal of 115047945919 is 919549740511.

It is a strong prime.

It is an emirp because it is prime and its reverse (919549740511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115047945919 - 2³ = 115047945911 is a prime.

It is a super-2 number, since 2×115047945919² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115047945919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115047945911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57523972959 + 57523972960.

It is an arithmetic number, because the mean of its divisors is an integer number (57523972960).

Almost surely, 2^115047945919 is an apocalyptic number.

115047945919 is a deficient number, since it is larger than the sum of its proper divisors (1).

115047945919 is an equidigital number, since it uses as much as digits as its factorization.

115047945919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2041200, while the sum is 55.

The spelling of 115047945919 in words is "one hundred fifteen billion, forty-seven million, nine hundred forty-five thousand, nine hundred nineteen".