27201471051 has 4 divisors (see below), whose sum is σ = 36268628072. Its totient is φ = 18134314032.

The previous prime is 27201471023. The next prime is 27201471053. The reversal of 27201471051 is 15017410272.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 27201471051 - 2¹⁰ = 27201470027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27201471053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4533578506 + ... + 4533578511.

It is an arithmetic number, because the mean of its divisors is an integer number (9067157018).

Almost surely, 2^27201471051 is an apocalyptic number.

27201471051 is a deficient number, since it is larger than the sum of its proper divisors (9067157021).

27201471051 is an equidigital number, since it uses as much as digits as its factorization.

27201471051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9067157020.

The product of its (nonzero) digits is 3920, while the sum is 30.

The spelling of 27201471051 in words is "twenty-seven billion, two hundred one million, four hundred seventy-one thousand, fifty-one".