1427317517575 has 48 divisors (see below), whose sum is σ = 1886365514880. Its totient is φ = 1067595909120.

The previous prime is 1427317517573. The next prime is 1427317517599. The reversal of 1427317517575 is 5757157137241.

It is not a de Polignac number, because 1427317517575 - 2¹ = 1427317517573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427317517573) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97560361 + ... + 97574989.

It is an arithmetic number, because the mean of its divisors is an integer number (39299281560).

Almost surely, 2^{1427317517575} is an apocalyptic number.

1427317517575 is a deficient number, since it is larger than the sum of its proper divisors (459047997305).

1427317517575 is a wasteful number, since it uses less digits than its factorization.

1427317517575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16156 (or 16151 counting only the distinct ones).

The product of its digits is 7203000, while the sum is 55.

The spelling of 1427317517575 in words is "one trillion, four hundred twenty-seven billion, three hundred seventeen million, five hundred seventeen thousand, five hundred seventy-five".