11876334887081 has 6 divisors (see below), whose sum is σ = 13815328338090. Its totient is φ = 10179715617456.

The previous prime is 11876334887059. The next prime is 11876334887141. The reversal of 11876334887081 is 18078843367811.

It can be written as a sum of positive squares in only one way, i.e., 11198526816400 + 677808070681 = 3346420^2 + 823291^2 .

It is not a de Polignac number, because 11876334887081 - 2⁶ = 11876334887017 is a prime.

It is a super-2 number, since 2×11876334887081² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11876334886999 and 11876334887017.

It is not an unprimeable number, because it can be changed into a prime (11876334887051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121187090636 + ... + 121187090733.

It is an arithmetic number, because the mean of its divisors is an integer number (2302554723015).

Almost surely, 2^{11876334887081} is an apocalyptic number.

It is an amenable number.

11876334887081 is a deficient number, since it is larger than the sum of its proper divisors (1938993451009).

11876334887081 is an equidigital number, since it uses as much as digits as its factorization.

11876334887081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242374181383 (or 242374181376 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 65.

The spelling of 11876334887081 in words is "eleven trillion, eight hundred seventy-six billion, three hundred thirty-four million, eight hundred eighty-seven thousand, eighty-one".