1338161037571 has 4 divisors (see below), whose sum is σ = 1396341952272. Its totient is φ = 1279980122872.

The previous prime is 1338161037503. The next prime is 1338161037581. The reversal of 1338161037571 is 1757301618331.

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 1338161037571 - 2³¹ = 1336013553923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1338161037581) 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, 29090457316 + ... + 29090457361.

It is an arithmetic number, because the mean of its divisors is an integer number (349085488068).

Almost surely, 2^{1338161037571} is an apocalyptic number.

1338161037571 is a deficient number, since it is larger than the sum of its proper divisors (58180914701).

1338161037571 is an equidigital number, since it uses as much as digits as its factorization.

1338161037571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58180914700.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 1338161037571 in words is "one trillion, three hundred thirty-eight billion, one hundred sixty-one million, thirty-seven thousand, five hundred seventy-one".