27541855131 has 16 divisors (see below), whose sum is σ = 43102827264. Its totient is φ = 15312845664.

The previous prime is 27541855123. The next prime is 27541855181. The reversal of 27541855131 is 13155814572.

It is not a de Polignac number, because 27541855131 - 2³ = 27541855123 is a prime.

It is a super-2 number, since 2×27541855131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27541855111) 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, 17722425 + ... + 17723978.

It is an arithmetic number, because the mean of its divisors is an integer number (2693926704).

Almost surely, 2^27541855131 is an apocalyptic number.

27541855131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

27541855131 is a deficient number, since it is larger than the sum of its proper divisors (15560972133).

27541855131 is a wasteful number, since it uses less digits than its factorization.

27541855131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35446450.

The product of its digits is 168000, while the sum is 42.

The spelling of 27541855131 in words is "twenty-seven billion, five hundred forty-one million, eight hundred fifty-five thousand, one hundred thirty-one".