1375001263875 has 32 divisors (see below), whose sum is σ = 2288404085760. Its totient is φ = 733205167200.

The previous prime is 1375001263871. The next prime is 1375001263891. The reversal of 1375001263875 is 5783621005731.

It is not a de Polignac number, because 1375001263875 - 2² = 1375001263871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1375001263871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1834396 + ... + 2472854.

It is an arithmetic number, because the mean of its divisors is an integer number (71512627680).

Almost surely, 2^{1375001263875} is an apocalyptic number.

1375001263875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1375001263875 is a deficient number, since it is larger than the sum of its proper divisors (913402821885).

1375001263875 is an equidigital number, since it uses as much as digits as its factorization.

1375001263875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644220 (or 644210 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 1375001263875 in words is "one trillion, three hundred seventy-five billion, one million, two hundred sixty-three thousand, eight hundred seventy-five".