115513503521441 has 8 divisors (see below), whose sum is σ = 115546144760640. Its totient is φ = 115480865665872.

The previous prime is 115513503521431. The next prime is 115513503521447. The reversal of 115513503521441 is 144125305315511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115513503521441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115513503521447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68236850 + ... + 69909188.

It is an arithmetic number, because the mean of its divisors is an integer number (14443268095080).

Almost surely, 2^{115513503521441} is an apocalyptic number.

It is an amenable number.

115513503521441 is a deficient number, since it is larger than the sum of its proper divisors (32641239199).

115513503521441 is a wasteful number, since it uses less digits than its factorization.

115513503521441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691815.

The product of its (nonzero) digits is 180000, while the sum is 41.

Adding to 115513503521441 its reverse (144125305315511), we get a palindrome (259638808836952).

The spelling of 115513503521441 in words is "one hundred fifteen trillion, five hundred thirteen billion, five hundred three million, five hundred twenty-one thousand, four hundred forty-one".