115411636789 has 4 divisors (see below), whose sum is σ = 115459948780. Its totient is φ = 115363324800.

The previous prime is 115411636757. The next prime is 115411636801. The reversal of 115411636789 is 987636114511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 987636114511 = 131 ⋅7539206981.

It can be written as a sum of positive squares in 2 ways, for example, as 69388515889 + 46023120900 = 263417^2 + 214530^2 .

It is a cyclic number.

It is not a de Polignac number, because 115411636789 - 2⁵ = 115411636757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115411636709) 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, 24152412 + ... + 24157189.

It is an arithmetic number, because the mean of its divisors is an integer number (28864987195).

Almost surely, 2^115411636789 is an apocalyptic number.

It is an amenable number.

115411636789 is a deficient number, since it is larger than the sum of its proper divisors (48311991).

115411636789 is an equidigital number, since it uses as much as digits as its factorization.

115411636789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48311990.

The product of its digits is 1088640, while the sum is 52.

The spelling of 115411636789 in words is "one hundred fifteen billion, four hundred eleven million, six hundred thirty-six thousand, seven hundred eighty-nine".