27371002155 has 128 divisors (see below), whose sum is σ = 52668715008. Its totient is φ = 11878244352.

The previous prime is 27371002151. The next prime is 27371002163. The reversal of 27371002155 is 55120017372.

It is a happy number.

It is not a de Polignac number, because 27371002155 - 2² = 27371002151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27371002151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29210847 + ... + 29211783.

It is an arithmetic number, because the mean of its divisors is an integer number (411474336).

Almost surely, 2^27371002155 is an apocalyptic number.

27371002155 is a deficient number, since it is larger than the sum of its proper divisors (25297712853).

27371002155 is a wasteful number, since it uses less digits than its factorization.

27371002155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165.

The product of its (nonzero) digits is 14700, while the sum is 33.

The spelling of 27371002155 in words is "twenty-seven billion, three hundred seventy-one million, two thousand, one hundred fifty-five".