115819728843 has 64 divisors (see below), whose sum is σ = 192698777600. Its totient is φ = 60246426240.

The previous prime is 115819728833. The next prime is 115819728853. The reversal of 115819728843 is 348827918511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (115819728833) and next prime (115819728853).

It is not a de Polignac number, because 115819728843 - 2²⁵ = 115786174411 is a prime.

It is a super-2 number, since 2×115819728843² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115819728833) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21370188 + ... + 21375606.

It is an arithmetic number, because the mean of its divisors is an integer number (3010918400).

Almost surely, 2^115819728843 is an apocalyptic number.

115819728843 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

115819728843 is a deficient number, since it is larger than the sum of its proper divisors (76879048757).

115819728843 is a wasteful number, since it uses less digits than its factorization.

115819728843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6512.

The product of its digits is 3870720, while the sum is 57.

The spelling of 115819728843 in words is "one hundred fifteen billion, eight hundred nineteen million, seven hundred twenty-eight thousand, eight hundred forty-three".