1296503567375 has 16 divisors (see below), whose sum is σ = 1640825709120. Its totient is φ = 1022594356000.

The previous prime is 1296503567329. The next prime is 1296503567449. The reversal of 1296503567375 is 5737653056921.

It is not a de Polignac number, because 1296503567375 - 2¹⁸ = 1296503305231 is a prime.

It is a super-2 number, since 2×1296503567375² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73033580 + ... + 73051329.

It is an arithmetic number, because the mean of its divisors is an integer number (102551606820).

Almost surely, 2^{1296503567375} is an apocalyptic number.

1296503567375 is a deficient number, since it is larger than the sum of its proper divisors (344322141745).

1296503567375 is an equidigital number, since it uses as much as digits as its factorization.

1296503567375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146084995 (or 146084985 counting only the distinct ones).

The product of its (nonzero) digits is 35721000, while the sum is 59.

The spelling of 1296503567375 in words is "one trillion, two hundred ninety-six billion, five hundred three million, five hundred sixty-seven thousand, three hundred seventy-five".