1033323109961 has 2 divisors, whose sum is σ = 1033323109962. Its totient is φ = 1033323109960.

The previous prime is 1033323109913. The next prime is 1033323109969. The reversal of 1033323109961 is 1699013233301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 922500699961 + 110822410000 = 960469^2 + 332900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1033323109961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1033323109969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516661554980 + 516661554981.

It is an arithmetic number, because the mean of its divisors is an integer number (516661554981).

Almost surely, 2^{1033323109961} is an apocalyptic number.

It is an amenable number.

1033323109961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1033323109961 is an equidigital number, since it uses as much as digits as its factorization.

1033323109961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 41.

The spelling of 1033323109961 in words is "one trillion, thirty-three billion, three hundred twenty-three million, one hundred nine thousand, nine hundred sixty-one".