27681070151 has 12 divisors (see below), whose sum is σ = 33895189080. Its totient is φ = 22477860720.

The previous prime is 27681070141. The next prime is 27681070177. The reversal of 27681070151 is 15107018672.

It is a happy number.

It is not a de Polignac number, because 27681070151 - 2¹⁴ = 27681053767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27681070121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14865380 + ... + 14867241.

It is an arithmetic number, because the mean of its divisors is an integer number (2824599090).

Almost surely, 2^27681070151 is an apocalyptic number.

27681070151 is a deficient number, since it is larger than the sum of its proper divisors (6214118929).

27681070151 is a wasteful number, since it uses less digits than its factorization.

27681070151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29732654 (or 29732647 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 38.

The spelling of 27681070151 in words is "twenty-seven billion, six hundred eighty-one million, seventy thousand, one hundred fifty-one".