1351705731375 has 64 divisors (see below), whose sum is σ = 2261164838400. Its totient is φ = 717095116800.

The previous prime is 1351705731353. The next prime is 1351705731377. The reversal of 1351705731375 is 5731375071531.

It is not a de Polignac number, because 1351705731375 - 2¹¹ = 1351705729327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351705731377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71211636 + ... + 71230614.

It is an arithmetic number, because the mean of its divisors is an integer number (35330700600).

Almost surely, 2^{1351705731375} is an apocalyptic number.

1351705731375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1351705731375 is a deficient number, since it is larger than the sum of its proper divisors (909459107025).

1351705731375 is a wasteful number, since it uses less digits than its factorization.

1351705731375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19993 (or 19983 counting only the distinct ones).

The product of its (nonzero) digits is 1157625, while the sum is 48.

The spelling of 1351705731375 in words is "one trillion, three hundred fifty-one billion, seven hundred five million, seven hundred thirty-one thousand, three hundred seventy-five".