115145434385 has 16 divisors (see below), whose sum is σ = 140700157056. Its totient is φ = 90447829248.

The previous prime is 115145434363. The next prime is 115145434387. The reversal of 115145434385 is 583434541511.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115145434385 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115145434387) 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, 891869 + ... + 1012778.

It is an arithmetic number, because the mean of its divisors is an integer number (8793759816).

Almost surely, 2^115145434385 is an apocalyptic number.

It is an amenable number.

115145434385 is a deficient number, since it is larger than the sum of its proper divisors (25554722671).

115145434385 is a wasteful number, since it uses less digits than its factorization.

115145434385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904872.

The product of its digits is 576000, while the sum is 44.

Adding to 115145434385 its reverse (583434541511), we get a palindrome (698579975896).

The spelling of 115145434385 in words is "one hundred fifteen billion, one hundred forty-five million, four hundred thirty-four thousand, three hundred eighty-five".