10994149861 has 2 divisors, whose sum is σ = 10994149862. Its totient is φ = 10994149860.

The previous prime is 10994149823. The next prime is 10994149963. The reversal of 10994149861 is 16894149901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8421732900 + 2572416961 = 91770^2 + 50719^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10994149861 is a prime.

It is a super-2 number, since 2×10994149861² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10994149799 and 10994149808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10994149811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5497074930 + 5497074931.

It is an arithmetic number, because the mean of its divisors is an integer number (5497074931).

Almost surely, 2^10994149861 is an apocalyptic number.

It is an amenable number.

10994149861 is a deficient number, since it is larger than the sum of its proper divisors (1).

10994149861 is an equidigital number, since it uses as much as digits as its factorization.

10994149861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 52.

The spelling of 10994149861 in words is "ten billion, nine hundred ninety-four million, one hundred forty-nine thousand, eight hundred sixty-one".