1315571352127 has 4 divisors (see below), whose sum is σ = 1315573816480. Its totient is φ = 1315568887776.

The previous prime is 1315571352113. The next prime is 1315571352157. The reversal of 1315571352127 is 7212531755131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1315571352127 - 2¹⁹ = 1315570827839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315571352157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59223 + ... + 1623160.

It is an arithmetic number, because the mean of its divisors is an integer number (328893454120).

Almost surely, 2^{1315571352127} is an apocalyptic number.

1315571352127 is a deficient number, since it is larger than the sum of its proper divisors (2464353).

1315571352127 is an equidigital number, since it uses as much as digits as its factorization.

1315571352127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464352.

The product of its digits is 220500, while the sum is 43.

The spelling of 1315571352127 in words is "one trillion, three hundred fifteen billion, five hundred seventy-one million, three hundred fifty-two thousand, one hundred twenty-seven".