1375631382575 has 6 divisors (see below), whose sum is σ = 1705782914424. Its totient is φ = 1100505106040.

The previous prime is 1375631382563. The next prime is 1375631382583. The reversal of 1375631382575 is 5752831365731.

It is not a de Polignac number, because 1375631382575 - 2¹⁸ = 1375631120431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1375631382575.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27512627627 + ... + 27512627676.

It is an arithmetic number, because the mean of its divisors is an integer number (284297152404).

Almost surely, 2^{1375631382575} is an apocalyptic number.

1375631382575 is a deficient number, since it is larger than the sum of its proper divisors (330151531849).

1375631382575 is an equidigital number, since it uses as much as digits as its factorization.

1375631382575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55025255313 (or 55025255308 counting only the distinct ones).

The product of its digits is 15876000, while the sum is 56.

The spelling of 1375631382575 in words is "one trillion, three hundred seventy-five billion, six hundred thirty-one million, three hundred eighty-two thousand, five hundred seventy-five".