1159271255427 has 8 divisors (see below), whose sum is σ = 1545700638720. Its totient is φ = 772844687880.

The previous prime is 1159271255411. The next prime is 1159271255437. The reversal of 1159271255427 is 7245521729511.

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

It is not a de Polignac number, because 1159271255427 - 2⁴ = 1159271255411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1159271255427.

It is not an unprimeable number, because it can be changed into a prime (1159271255437) 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, 603774 + ... + 1638012.

It is an arithmetic number, because the mean of its divisors is an integer number (193212579840).

Almost surely, 2^{1159271255427} is an apocalyptic number.

1159271255427 is a deficient number, since it is larger than the sum of its proper divisors (386429383293).

1159271255427 is a wasteful number, since it uses less digits than its factorization.

1159271255427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407873.

The product of its digits is 1764000, while the sum is 51.

The spelling of 1159271255427 in words is "one trillion, one hundred fifty-nine billion, two hundred seventy-one million, two hundred fifty-five thousand, four hundred twenty-seven".