11761836387841 has 16 divisors (see below), whose sum is σ = 12058639750080. Its totient is φ = 11466101203200.

The previous prime is 11761836387839. The next prime is 11761836387859. The reversal of 11761836387841 is 14878363816711.

It is a cyclic number.

It is not a de Polignac number, because 11761836387841 - 2¹ = 11761836387839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11761836187841) 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, 98996850 + ... + 99115588.

It is an arithmetic number, because the mean of its divisors is an integer number (753664984380).

Almost surely, 2^{11761836387841} is an apocalyptic number.

It is an amenable number.

11761836387841 is a deficient number, since it is larger than the sum of its proper divisors (296803362239).

11761836387841 is a wasteful number, since it uses less digits than its factorization.

11761836387841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123216.

The product of its digits is 32514048, while the sum is 64.

The spelling of 11761836387841 in words is "eleven trillion, seven hundred sixty-one billion, eight hundred thirty-six million, three hundred eighty-seven thousand, eight hundred forty-one".