27581653382052 has 108 divisors (see below), whose sum is σ = 82289065261200. Its totient is φ = 7164065795040.

The previous prime is 27581653382021. The next prime is 27581653382071. The reversal of 27581653382052 is 25028335618572.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27581653381983 and 27581653382001.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 193761802 + ... + 193904097.

Almost surely, 2^{27581653382052} is an apocalyptic number.

27581653382052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27581653382052 is an abundant number, since it is smaller than the sum of its proper divisors (54707411879148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27581653382052 is a wasteful number, since it uses less digits than its factorization.

27581653382052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387665942 (or 387665922 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 57.

The spelling of 27581653382052 in words is "twenty-seven trillion, five hundred eighty-one billion, six hundred fifty-three million, three hundred eighty-two thousand, fifty-two".