115420213144 has 16 divisors (see below), whose sum is σ = 216516825720. Its totient is φ = 57682392960.

The previous prime is 115420213133. The next prime is 115420213169. The reversal of 115420213144 is 441312024511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3446497 + ... + 3479824.

Almost surely, 2^115420213144 is an apocalyptic number.

It is an amenable number.

115420213144 is a deficient number, since it is larger than the sum of its proper divisors (101096612576).

115420213144 is a wasteful number, since it uses less digits than its factorization.

115420213144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6928410 (or 6928406 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 115420213144 its reverse (441312024511), we get a palindrome (556732237655).

The spelling of 115420213144 in words is "one hundred fifteen billion, four hundred twenty million, two hundred thirteen thousand, one hundred forty-four".