115543213340 has 24 divisors (see below), whose sum is σ = 243054130032. Its totient is φ = 46138545920.

The previous prime is 115543213309. The next prime is 115543213349. The reversal of 115543213340 is 43312345511.

It is a junction number, because it is equal to n+sod(n) for n = 115543213297 and 115543213306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115543213349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4909181 + ... + 4932660.

It is an arithmetic number, because the mean of its divisors is an integer number (10127255418).

Almost surely, 2^115543213340 is an apocalyptic number.

115543213340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115543213340 is an abundant number, since it is smaller than the sum of its proper divisors (127510916692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115543213340 is a wasteful number, since it uses less digits than its factorization.

115543213340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9842437 (or 9842435 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 115543213340 its reverse (43312345511), we get a palindrome (158855558851).

The spelling of 115543213340 in words is "one hundred fifteen billion, five hundred forty-three million, two hundred thirteen thousand, three hundred forty".