27271157012 has 12 divisors (see below), whose sum is σ = 52063118016. Its totient is φ = 12395980440.

The previous prime is 27271156973. The next prime is 27271157029. The reversal of 27271157012 is 21075117272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309899468 + ... + 309899555.

It is an arithmetic number, because the mean of its divisors is an integer number (4338593168).

Almost surely, 2^27271157012 is an apocalyptic number.

27271157012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27271157012 is a deficient number, since it is larger than the sum of its proper divisors (24791961004).

27271157012 is a wasteful number, since it uses less digits than its factorization.

27271157012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619799038 (or 619799036 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 35.

The spelling of 27271157012 in words is "twenty-seven billion, two hundred seventy-one million, one hundred fifty-seven thousand, twelve".