115871223105 has 48 divisors (see below), whose sum is σ = 219132927936. Its totient is φ = 56172044160.

The previous prime is 115871223103. The next prime is 115871223157. The reversal of 115871223105 is 501322178511.

It is not a de Polignac number, because 115871223105 - 2¹ = 115871223103 is a prime.

It is a super-2 number, since 2×115871223105² (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 115871223105.

It is not an unprimeable number, because it can be changed into a prime (115871223103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5058859 + ... + 5081711.

It is an arithmetic number, because the mean of its divisors is an integer number (4565269332).

Almost surely, 2^115871223105 is an apocalyptic number.

115871223105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115871223105 is a deficient number, since it is larger than the sum of its proper divisors (103261704831).

115871223105 is a wasteful number, since it uses less digits than its factorization.

115871223105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33118 (or 33115 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 36.

The spelling of 115871223105 in words is "one hundred fifteen billion, eight hundred seventy-one million, two hundred twenty-three thousand, one hundred five".