1041204268961 has 2 divisors, whose sum is σ = 1041204268962. Its totient is φ = 1041204268960.

The previous prime is 1041204268957. The next prime is 1041204269069. The reversal of 1041204268961 is 1698624021401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 858485637025 + 182718631936 = 926545^2 + 427456^2 .

It is a cyclic number.

It is not a de Polignac number, because 1041204268961 - 2² = 1041204268957 is a prime.

It is a super-2 number, since 2×1041204268961² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1041204268931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520602134480 + 520602134481.

It is an arithmetic number, because the mean of its divisors is an integer number (520602134481).

Almost surely, 2^{1041204268961} is an apocalyptic number.

It is an amenable number.

1041204268961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1041204268961 is an equidigital number, since it uses as much as digits as its factorization.

1041204268961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 1041204268961 in words is "one trillion, forty-one billion, two hundred four million, two hundred sixty-eight thousand, nine hundred sixty-one".