27381453533001 has 12 divisors (see below), whose sum is σ = 39670477831920. Its totient is φ = 18199153403640.

The previous prime is 27381453532987. The next prime is 27381453533009. The reversal of 27381453533001 is 10033535418372.

27381453533001 is a `hidden beast` number, since 2 + 7 + 3 + 81 + 4 + 535 + 3 + 30 + 0 + 1 = 666.

It is not a de Polignac number, because 27381453533001 - 2¹³ = 27381453524809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27381453533009) 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, 4595742831 + ... + 4595748788.

It is an arithmetic number, because the mean of its divisors is an integer number (3305873152660).

Almost surely, 2^{27381453533001} is an apocalyptic number.

It is an amenable number.

27381453533001 is a deficient number, since it is larger than the sum of its proper divisors (12289024298919).

27381453533001 is a wasteful number, since it uses less digits than its factorization.

27381453533001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9191491956 (or 9191491953 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 27381453533001 in words is "twenty-seven trillion, three hundred eighty-one billion, four hundred fifty-three million, five hundred thirty-three thousand, one".