115412044511405 has 16 divisors (see below), whose sum is σ = 139506252153840. Its totient is φ = 91655111718912.

The previous prime is 115412044511377. The next prime is 115412044511437. The reversal of 115412044511405 is 504115440214511.

It can be written as a sum of positive squares in 8 ways, for example, as 26796141897001 + 88615902614404 = 5176499^2 + 9413602^2 .

It is a cyclic number.

It is not a de Polignac number, because 115412044511405 - 2¹⁰ = 115412044510381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129987737 + ... + 130872593.

It is an arithmetic number, because the mean of its divisors is an integer number (8719140759615).

Almost surely, 2^{115412044511405} is an apocalyptic number.

It is an amenable number.

115412044511405 is a deficient number, since it is larger than the sum of its proper divisors (24094207642435).

115412044511405 is a wasteful number, since it uses less digits than its factorization.

115412044511405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075408.

The product of its (nonzero) digits is 64000, while the sum is 38.

Adding to 115412044511405 its reverse (504115440214511), we get a palindrome (619527484725916).

The spelling of 115412044511405 in words is "one hundred fifteen trillion, four hundred twelve billion, forty-four million, five hundred eleven thousand, four hundred five".