15272878222645 has 8 divisors (see below), whose sum is σ = 18327497971104. Its totient is φ = 12218273175504.

The previous prime is 15272878222631. The next prime is 15272878222669. The reversal of 15272878222645 is 54622287827251.

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 15272878222645 - 2¹³ = 15272878214453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1243519 + ... + 5664988.

It is an arithmetic number, because the mean of its divisors is an integer number (2290937246388).

Almost surely, 2^{15272878222645} is an apocalyptic number.

It is an amenable number.

15272878222645 is a deficient number, since it is larger than the sum of its proper divisors (3054619748459).

15272878222645 is an equidigital number, since it uses as much as digits as its factorization.

15272878222645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7350659.

The product of its digits is 60211200, while the sum is 61.

The spelling of 15272878222645 in words is "fifteen trillion, two hundred seventy-two billion, eight hundred seventy-eight million, two hundred twenty-two thousand, six hundred forty-five".