1011042404461 has 2 divisors, whose sum is σ = 1011042404462. Its totient is φ = 1011042404460.

The previous prime is 1011042404389. The next prime is 1011042404507. The reversal of 1011042404461 is 1644042401101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 725171464900 + 285870939561 = 851570^2 + 534669^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011042404461 - 2¹¹ = 1011042402413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011042404161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505521202230 + 505521202231.

It is an arithmetic number, because the mean of its divisors is an integer number (505521202231).

Almost surely, 2^{1011042404461} is an apocalyptic number.

It is an amenable number.

1011042404461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011042404461 is an equidigital number, since it uses as much as digits as its factorization.

1011042404461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 1011042404461 its reverse (1644042401101), we get a palindrome (2655084805562).

The spelling of 1011042404461 in words is "one trillion, eleven billion, forty-two million, four hundred four thousand, four hundred sixty-one".