1371741975321 has 4 divisors (see below), whose sum is σ = 1828989300432. Its totient is φ = 914494650212.

The previous prime is 1371741975313. The next prime is 1371741975343. The reversal of 1371741975321 is 1235791471731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1371741975321 - 2³ = 1371741975313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1371741977321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228623662551 + ... + 228623662556.

It is an arithmetic number, because the mean of its divisors is an integer number (457247325108).

Almost surely, 2^{1371741975321} is an apocalyptic number.

It is an amenable number.

1371741975321 is a deficient number, since it is larger than the sum of its proper divisors (457247325111).

1371741975321 is an equidigital number, since it uses as much as digits as its factorization.

1371741975321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457247325110.

The product of its digits is 1111320, while the sum is 51.

The spelling of 1371741975321 in words is "one trillion, three hundred seventy-one billion, seven hundred forty-one million, nine hundred seventy-five thousand, three hundred twenty-one".