1375656517875 has 48 divisors (see below), whose sum is σ = 2415912209568. Its totient is φ = 695068488000.

The previous prime is 1375656517861. The next prime is 1375656517889. The reversal of 1375656517875 is 5787156565731.

It is an interprime number because it is at equal distance from previous prime (1375656517861) and next prime (1375656517889).

It is not a de Polignac number, because 1375656517875 - 2⁵ = 1375656517843 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4945536 + ... + 5216285.

It is an arithmetic number, because the mean of its divisors is an integer number (50331504366).

Almost surely, 2^{1375656517875} is an apocalyptic number.

1375656517875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1375656517875 is a deficient number, since it is larger than the sum of its proper divisors (1040255691693).

1375656517875 is a wasteful number, since it uses less digits than its factorization.

1375656517875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10161877 (or 10161848 counting only the distinct ones).

The product of its digits is 185220000, while the sum is 66.

The spelling of 1375656517875 in words is "one trillion, three hundred seventy-five billion, six hundred fifty-six million, five hundred seventeen thousand, eight hundred seventy-five".