27900001000001 has 8 divisors (see below), whose sum is σ = 30188553764544. Its totient is φ = 25631790927120.

The previous prime is 27900000999943. The next prime is 27900001000061. The reversal of 27900001000001 is 10000010000972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27900001000001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27900001000061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5085670061 + ... + 5085675546.

It is an arithmetic number, because the mean of its divisors is an integer number (3773569220568).

Almost surely, 2^{27900001000001} is an apocalyptic number.

It is an amenable number.

27900001000001 is a deficient number, since it is larger than the sum of its proper divisors (2288552764543).

27900001000001 is a wasteful number, since it uses less digits than its factorization.

27900001000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10171345831.

The product of its (nonzero) digits is 126, while the sum is 20.

Adding to 27900001000001 its reverse (10000010000972), we get a palindrome (37900011000973).

The spelling of 27900001000001 in words is "twenty-seven trillion, nine hundred billion, one million, one", and thus it is an aban number.