5915465387221 has 16 divisors (see below), whose sum is σ = 6453123577600. Its totient is φ = 5389652893248.

The previous prime is 5915465387207. The next prime is 5915465387297. The reversal of 5915465387221 is 1227835645195.

It is not a de Polignac number, because 5915465387221 - 2²³ = 5915456998613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5915465307221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2463295 + ... + 4230691.

It is an arithmetic number, because the mean of its divisors is an integer number (403320223600).

Almost surely, 2^{5915465387221} is an apocalyptic number.

It is an amenable number.

5915465387221 is a deficient number, since it is larger than the sum of its proper divisors (537658190379).

5915465387221 is a wasteful number, since it uses less digits than its factorization.

5915465387221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770748.

The product of its digits is 18144000, while the sum is 58.

The spelling of 5915465387221 in words is "five trillion, nine hundred fifteen billion, four hundred sixty-five million, three hundred eighty-seven thousand, two hundred twenty-one".