1381082711 has 4 divisors (see below), whose sum is σ = 1381885992. Its totient is φ = 1380279432.

The previous prime is 1381082657. The next prime is 1381082713. The reversal of 1381082711 is 1172801831.

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 1381082711 - 2¹⁰ = 1381081687 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 (1381082713) 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, 399056 + ... + 402501.

It is an arithmetic number, because the mean of its divisors is an integer number (345471498).

Almost surely, 2^1381082711 is an apocalyptic number.

1381082711 is a deficient number, since it is larger than the sum of its proper divisors (803281).

1381082711 is an equidigital number, since it uses as much as digits as its factorization.

1381082711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803280.

The product of its (nonzero) digits is 2688, while the sum is 32.

The square root of 1381082711 is about 37162.9211849661. The cubic root of 1381082711 is about 1113.6273700062.

The spelling of 1381082711 in words is "one billion, three hundred eighty-one million, eighty-two thousand, seven hundred eleven".