27143126551 has 16 divisors (see below), whose sum is σ = 30087154944. Its totient is φ = 24356052864.

The previous prime is 27143126531. The next prime is 27143126561. The reversal of 27143126551 is 15562134172.

It is not a de Polignac number, because 27143126551 - 2⁵ = 27143126519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27143126551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27143126531) 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, 6976 + ... + 233098.

It is an arithmetic number, because the mean of its divisors is an integer number (1880447184).

Almost surely, 2^27143126551 is an apocalyptic number.

27143126551 is a deficient number, since it is larger than the sum of its proper divisors (2944028393).

27143126551 is a wasteful number, since it uses less digits than its factorization.

27143126551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226470.

The product of its digits is 50400, while the sum is 37.

The spelling of 27143126551 in words is "twenty-seven billion, one hundred forty-three million, one hundred twenty-six thousand, five hundred fifty-one".