1373127537505 has 8 divisors (see below), whose sum is σ = 1734476889600. Its totient is φ = 1040686133616.

The previous prime is 1373127537443. The next prime is 1373127537563. The reversal of 1373127537505 is 5057357213731.

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

It is a cyclic number.

It is not a de Polignac number, because 1373127537505 - 2¹⁹ = 1373127013217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7226986945 + ... + 7226987134.

It is an arithmetic number, because the mean of its divisors is an integer number (216809611200).

Almost surely, 2^{1373127537505} is an apocalyptic number.

It is an amenable number.

1373127537505 is a deficient number, since it is larger than the sum of its proper divisors (361349352095).

1373127537505 is a wasteful number, since it uses less digits than its factorization.

1373127537505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14453974103.

The product of its (nonzero) digits is 2315250, while the sum is 49.

The spelling of 1373127537505 in words is "one trillion, three hundred seventy-three billion, one hundred twenty-seven million, five hundred thirty-seven thousand, five hundred five".