115546302521421 has 16 divisors (see below), whose sum is σ = 154509006438336. Its totient is φ = 76807325016576.

The previous prime is 115546302521417. The next prime is 115546302521473. The reversal of 115546302521421 is 124125203645511.

It is not a de Polignac number, because 115546302521421 - 2² = 115546302521417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115546302521021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6390075 + ... + 16490168.

It is an arithmetic number, because the mean of its divisors is an integer number (9656812902396).

Almost surely, 2^{115546302521421} is an apocalyptic number.

It is an amenable number.

115546302521421 is a deficient number, since it is larger than the sum of its proper divisors (38962703916915).

115546302521421 is a wasteful number, since it uses less digits than its factorization.

115546302521421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22885132.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 115546302521421 in words is "one hundred fifteen trillion, five hundred forty-six billion, three hundred two million, five hundred twenty-one thousand, four hundred twenty-one".