1426551315571 has 4 divisors (see below), whose sum is σ = 1426554259992. Its totient is φ = 1426548371152.

The previous prime is 1426551315533. The next prime is 1426551315577. The reversal of 1426551315571 is 1755131556241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1426551315571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426551315577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554986 + ... + 1777951.

It is an arithmetic number, because the mean of its divisors is an integer number (356638564998).

Almost surely, 2^{1426551315571} is an apocalyptic number.

1426551315571 is a deficient number, since it is larger than the sum of its proper divisors (2944421).

1426551315571 is an equidigital number, since it uses as much as digits as its factorization.

1426551315571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944420.

The product of its digits is 630000, while the sum is 46.

The spelling of 1426551315571 in words is "one trillion, four hundred twenty-six billion, five hundred fifty-one million, three hundred fifteen thousand, five hundred seventy-one".