115651142521 has 8 divisors (see below), whose sum is σ = 116124543360. Its totient is φ = 115178277552.

The previous prime is 115651142513. The next prime is 115651142539. The reversal of 115651142521 is 125241156511.

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

It is a cyclic number.

It is not a de Polignac number, because 115651142521 - 2³ = 115651142513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115651142591) 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, 301440 + ... + 567598.

It is an arithmetic number, because the mean of its divisors is an integer number (14515567920).

Almost surely, 2^115651142521 is an apocalyptic number.

It is an amenable number.

115651142521 is a deficient number, since it is larger than the sum of its proper divisors (473400839).

115651142521 is a wasteful number, since it uses less digits than its factorization.

115651142521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267935.

The product of its digits is 12000, while the sum is 34.

The spelling of 115651142521 in words is "one hundred fifteen billion, six hundred fifty-one million, one hundred forty-two thousand, five hundred twenty-one".