4004044311061 has 2 divisors, whose sum is σ = 4004044311062. Its totient is φ = 4004044311060.

The previous prime is 4004044311017. The next prime is 4004044311101. The reversal of 4004044311061 is 1601134404004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3719922264100 + 284122046961 = 1928710^2 + 533031^2 .

It is a cyclic number.

It is not a de Polignac number, because 4004044311061 - 2⁹ = 4004044310549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4004044311011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2002022155530 + 2002022155531.

It is an arithmetic number, because the mean of its divisors is an integer number (2002022155531).

Almost surely, 2^{4004044311061} is an apocalyptic number.

It is an amenable number.

4004044311061 is a deficient number, since it is larger than the sum of its proper divisors (1).

4004044311061 is an equidigital number, since it uses as much as digits as its factorization.

4004044311061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 4004044311061 its reverse (1601134404004), we get a palindrome (5605178715065).

The spelling of 4004044311061 in words is "four trillion, four billion, forty-four million, three hundred eleven thousand, sixty-one".