27254954881 has 24 divisors (see below), whose sum is σ = 34872919200. Its totient is φ = 21237576360.

The previous prime is 27254954809. The next prime is 27254954893. The reversal of 27254954881 is 18845945272.

It is not a de Polignac number, because 27254954881 - 2⁹ = 27254954369 is a prime.

It is a super-2 number, since 2×27254954881² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27254954281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143731 + ... + 274168.

It is an arithmetic number, because the mean of its divisors is an integer number (1453038300).

Almost surely, 2^27254954881 is an apocalyptic number.

It is an amenable number.

27254954881 is a deficient number, since it is larger than the sum of its proper divisors (7617964319).

27254954881 is an equidigital number, since it uses as much as digits as its factorization.

27254954881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417946 (or 417917 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 55.

The spelling of 27254954881 in words is "twenty-seven billion, two hundred fifty-four million, nine hundred fifty-four thousand, eight hundred eighty-one".