1225027444615 has 8 divisors (see below), whose sum is σ = 1583112390048. Its totient is φ = 904635651360.

The previous prime is 1225027444493. The next prime is 1225027444621. The reversal of 1225027444615 is 5164447205221.

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

It is not a de Polignac number, because 1225027444615 - 2¹¹ = 1225027442567 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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9423287971 + ... + 9423288100.

It is an arithmetic number, because the mean of its divisors is an integer number (197889048756).

Almost surely, 2^{1225027444615} is an apocalyptic number.

1225027444615 is a deficient number, since it is larger than the sum of its proper divisors (358084945433).

1225027444615 is a wasteful number, since it uses less digits than its factorization.

1225027444615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18846576089.

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 1225027444615 in words is "one trillion, two hundred twenty-five billion, twenty-seven million, four hundred forty-four thousand, six hundred fifteen".