27245121113 has 16 divisors (see below), whose sum is σ = 31294771200. Its totient is φ = 23234965776.

The previous prime is 27245121047. The next prime is 27245121119. The reversal of 27245121113 is 31112154272.

It is a cyclic number.

It is not a de Polignac number, because 27245121113 - 2¹² = 27245117017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27245121119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3534938 + ... + 3542636.

It is an arithmetic number, because the mean of its divisors is an integer number (1955923200).

Almost surely, 2^27245121113 is an apocalyptic number.

It is an amenable number.

27245121113 is a deficient number, since it is larger than the sum of its proper divisors (4049650087).

27245121113 is a wasteful number, since it uses less digits than its factorization.

27245121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10196.

The product of its digits is 3360, while the sum is 29.

Adding to 27245121113 its reverse (31112154272), we get a palindrome (58357275385).

The spelling of 27245121113 in words is "twenty-seven billion, two hundred forty-five million, one hundred twenty-one thousand, one hundred thirteen".