1381685017611 has 16 divisors (see below), whose sum is σ = 1874239297920. Its totient is φ = 905139842880.

The previous prime is 1381685017591. The next prime is 1381685017613. The reversal of 1381685017611 is 1167105861831.

It is not a de Polignac number, because 1381685017611 - 2⁷ = 1381685017483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1381685017613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1166905 + ... + 2031018.

It is an arithmetic number, because the mean of its divisors is an integer number (117139956120).

Almost surely, 2^{1381685017611} is an apocalyptic number.

1381685017611 is a deficient number, since it is larger than the sum of its proper divisors (492554280309).

1381685017611 is a wasteful number, since it uses less digits than its factorization.

1381685017611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200426.

The product of its (nonzero) digits is 241920, while the sum is 48.

The spelling of 1381685017611 in words is "one trillion, three hundred eighty-one billion, six hundred eighty-five million, seventeen thousand, six hundred eleven".