6256478273215 has 8 divisors (see below), whose sum is σ = 7507839532608. Its totient is φ = 5005138882080.

The previous prime is 6256478273203. The next prime is 6256478273303. The reversal of 6256478273215 is 5123728746526.

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

It is not a de Polignac number, because 6256478273215 - 2²¹ = 6256476176063 is a prime.

It is a super-3 number, since 3×6256478273215³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6256478273215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4830916 + ... + 5987545.

It is an arithmetic number, because the mean of its divisors is an integer number (938479941576).

Almost surely, 2^{6256478273215} is an apocalyptic number.

6256478273215 is a deficient number, since it is larger than the sum of its proper divisors (1251361259393).

6256478273215 is a wasteful number, since it uses less digits than its factorization.

6256478273215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10934129.

The product of its digits is 33868800, while the sum is 58.

The spelling of 6256478273215 in words is "six trillion, two hundred fifty-six billion, four hundred seventy-eight million, two hundred seventy-three thousand, two hundred fifteen".