27012901042 has 4 divisors (see below), whose sum is σ = 40519351566. Its totient is φ = 13506450520.

The previous prime is 27012901039. The next prime is 27012901051. The reversal of 27012901042 is 24010921072.

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

It can be written as a sum of positive squares in only one way, i.e., 19869439681 + 7143461361 = 140959^2 + 84519^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27012901042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6753225259 + ... + 6753225262.

Almost surely, 2^27012901042 is an apocalyptic number.

27012901042 is a deficient number, since it is larger than the sum of its proper divisors (13506450524).

27012901042 is a wasteful number, since it uses less digits than its factorization.

27012901042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13506450523.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 27012901042 in words is "twenty-seven billion, twelve million, nine hundred one thousand, forty-two".