115244511212040 has 256 divisors, whose sum is σ = 399614909944320. Its totient is φ = 26043373977600.

The previous prime is 115244511212011. The next prime is 115244511212111. The reversal of 115244511212040 is 40212115442511.

It is a junction number, because it is equal to n+sod(n) for n = 115244511211992 and 115244511212010.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36549052 + ... + 39576788.

It is an arithmetic number, because the mean of its divisors is an integer number (1560995741970).

Almost surely, 2^{115244511212040} is an apocalyptic number.

115244511212040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115244511212040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199807454972160).

115244511212040 is an abundant number, since it is smaller than the sum of its proper divisors (284370398732280).

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

115244511212040 is a wasteful number, since it uses less digits than its factorization.

115244511212040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028272 (or 3028268 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

Adding to 115244511212040 its reverse (40212115442511), we get a palindrome (155456626654551).

The spelling of 115244511212040 in words is "one hundred fifteen trillion, two hundred forty-four billion, five hundred eleven million, two hundred twelve thousand, forty".