115401325521 has 8 divisors (see below), whose sum is σ = 153870060640. Its totient is φ = 76933403712.

The previous prime is 115401325517. The next prime is 115401325531. The reversal of 115401325521 is 125523104511.

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

It is not a de Polignac number, because 115401325521 - 2² = 115401325517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115401325531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320670 + ... + 577608.

It is an arithmetic number, because the mean of its divisors is an integer number (19233757580).

Almost surely, 2^115401325521 is an apocalyptic number.

It is an amenable number.

115401325521 is a deficient number, since it is larger than the sum of its proper divisors (38468735119).

115401325521 is a wasteful number, since it uses less digits than its factorization.

115401325521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406655.

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 115401325521 in words is "one hundred fifteen billion, four hundred one million, three hundred twenty-five thousand, five hundred twenty-one".