1375543289951 has 4 divisors (see below), whose sum is σ = 1375545734904. Its totient is φ = 1375540845000.

The previous prime is 1375543289947. The next prime is 1375543289957. The reversal of 1375543289951 is 1599823455731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1375543289951 - 2² = 1375543289947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375543289957) 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 3 ways as a sum of consecutive naturals, for example, 94001 + ... + 1661301.

It is an arithmetic number, because the mean of its divisors is an integer number (343886433726).

Almost surely, 2^{1375543289951} is an apocalyptic number.

1375543289951 is a deficient number, since it is larger than the sum of its proper divisors (2444953).

1375543289951 is an equidigital number, since it uses as much as digits as its factorization.

1375543289951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444952.

The product of its digits is 40824000, while the sum is 62.

The spelling of 1375543289951 in words is "one trillion, three hundred seventy-five billion, five hundred forty-three million, two hundred eighty-nine thousand, nine hundred fifty-one".