27980214511 has 16 divisors (see below), whose sum is σ = 30142771200. Its totient is φ = 25889023008.

The previous prime is 27980214503. The next prime is 27980214553. The reversal of 27980214511 is 11541208972.

It is a cyclic number.

It is not a de Polignac number, because 27980214511 - 2³ = 27980214503 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 (27980214571) 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, 395041 + ... + 460453.

It is an arithmetic number, because the mean of its divisors is an integer number (1883923200).

Almost surely, 2^27980214511 is an apocalyptic number.

27980214511 is a deficient number, since it is larger than the sum of its proper divisors (2162556689).

27980214511 is a wasteful number, since it uses less digits than its factorization.

27980214511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65958.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 27980214511 in words is "twenty-seven billion, nine hundred eighty million, two hundred fourteen thousand, five hundred eleven".