27901468015 has 16 divisors (see below), whose sum is σ = 35510245056. Its totient is φ = 21000672000.

The previous prime is 27901468003. The next prime is 27901468057. The reversal of 27901468015 is 51086410972.

It is not a de Polignac number, because 27901468015 - 2¹⁹ = 27900943727 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 15 ways as a sum of consecutive naturals, for example, 1981686 + ... + 1995715.

It is an arithmetic number, because the mean of its divisors is an integer number (2219390316).

Almost surely, 2^27901468015 is an apocalyptic number.

27901468015 is a deficient number, since it is larger than the sum of its proper divisors (7608777041).

27901468015 is a wasteful number, since it uses less digits than its factorization.

27901468015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977490.

The product of its (nonzero) digits is 120960, while the sum is 43.

Adding to 27901468015 its reverse (51086410972), we get a palindrome (78987878987).

The spelling of 27901468015 in words is "twenty-seven billion, nine hundred one million, four hundred sixty-eight thousand, fifteen".