27201541812 has 12 divisors (see below), whose sum is σ = 63470264256. Its totient is φ = 9067180600.

The previous prime is 27201541769. The next prime is 27201541831. The reversal of 27201541812 is 21814510272.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1133397564 + ... + 1133397587.

It is an arithmetic number, because the mean of its divisors is an integer number (5289188688).

Almost surely, 2^27201541812 is an apocalyptic number.

It is an amenable number.

27201541812 is an abundant number, since it is smaller than the sum of its proper divisors (36268722444).

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

27201541812 is a wasteful number, since it uses less digits than its factorization.

27201541812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266795158 (or 2266795156 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The spelling of 27201541812 in words is "twenty-seven billion, two hundred one million, five hundred forty-one thousand, eight hundred twelve".