27135851552 has 12 divisors (see below), whose sum is σ = 53423707806. Its totient is φ = 13567925760.

The previous prime is 27135851549. The next prime is 27135851569. The reversal of 27135851552 is 25515853172.

It can be written as a sum of positive squares in only one way, i.e., 15367073296 + 11768778256 = 123964^2 + 108484^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423997649 + ... + 423997712.

Almost surely, 2^27135851552 is an apocalyptic number.

It is an amenable number.

27135851552 is a deficient number, since it is larger than the sum of its proper divisors (26287856254).

27135851552 is an equidigital number, since it uses as much as digits as its factorization.

27135851552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847995371 (or 847995363 counting only the distinct ones).

The product of its digits is 420000, while the sum is 44.

The spelling of 27135851552 in words is "twenty-seven billion, one hundred thirty-five million, eight hundred fifty-one thousand, five hundred fifty-two".