115452021344 has 96 divisors (see below), whose sum is σ = 261145503360. Its totient is φ = 49690368000.

The previous prime is 115452021317. The next prime is 115452021353. The reversal of 115452021344 is 443120254511.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 115452021344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18730007 + ... + 18736169.

It is an arithmetic number, because the mean of its divisors is an integer number (2720265660).

Almost surely, 2^115452021344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115452021344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130572751680).

115452021344 is an abundant number, since it is smaller than the sum of its proper divisors (145693482016).

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

115452021344 is a wasteful number, since it uses less digits than its factorization.

115452021344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9004 (or 8996 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 115452021344 its reverse (443120254511), we get a palindrome (558572275855).

The spelling of 115452021344 in words is "one hundred fifteen billion, four hundred fifty-two million, twenty-one thousand, three hundred forty-four".