115944257419 has 4 divisors (see below), whose sum is σ = 116070421840. Its totient is φ = 115818093000.

The previous prime is 115944257417. The next prime is 115944257459. The reversal of 115944257419 is 914752449511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115944257419 - 2¹ = 115944257417 is a prime.

It is a super-2 number, since 2×115944257419² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115944257417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63080832 + ... + 63082669.

It is an arithmetic number, because the mean of its divisors is an integer number (29017605460).

Almost surely, 2^115944257419 is an apocalyptic number.

115944257419 is a deficient number, since it is larger than the sum of its proper divisors (126164421).

115944257419 is an equidigital number, since it uses as much as digits as its factorization.

115944257419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126164420.

The product of its digits is 1814400, while the sum is 52.

The spelling of 115944257419 in words is "one hundred fifteen billion, nine hundred forty-four million, two hundred fifty-seven thousand, four hundred nineteen".