115820411 has 4 divisors (see below), whose sum is σ = 132366192. Its totient is φ = 99274632.

The previous prime is 115820401. The next prime is 115820431. The reversal of 115820411 is 114028511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114028511 = 139 ⋅820349.

It is a cyclic number.

It is not a de Polignac number, because 115820411 - 2⁶ = 115820347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115820401) 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, 8272880 + ... + 8272893.

It is an arithmetic number, because the mean of its divisors is an integer number (33091548).

Almost surely, 2^115820411 is an apocalyptic number.

115820411 is a deficient number, since it is larger than the sum of its proper divisors (16545781).

115820411 is an equidigital number, since it uses as much as digits as its factorization.

115820411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16545780.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 115820411 is about 10761.9891748691. The cubic root of 115820411 is about 487.4480835355.

Adding to 115820411 its reverse (114028511), we get a palindrome (229848922).

The spelling of 115820411 in words is "one hundred fifteen million, eight hundred twenty thousand, four hundred eleven".