115842215811 has 16 divisors (see below), whose sum is σ = 176545376000. Its totient is φ = 66186587808.

The previous prime is 115842215791. The next prime is 115842215849. The reversal of 115842215811 is 118512248511.

It is not a de Polignac number, because 115842215811 - 2⁶ = 115842215747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115842215811.

It is not an unprimeable number, because it can be changed into a prime (115842215891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213136 + ... + 526413.

It is an arithmetic number, because the mean of its divisors is an integer number (11034086000).

Almost surely, 2^115842215811 is an apocalyptic number.

115842215811 is a deficient number, since it is larger than the sum of its proper divisors (60703160189).

115842215811 is an equidigital number, since it uses as much as digits as its factorization.

115842215811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747018.

The product of its digits is 25600, while the sum is 39.

The spelling of 115842215811 in words is "one hundred fifteen billion, eight hundred forty-two million, two hundred fifteen thousand, eight hundred eleven".