104040454261 has 2 divisors, whose sum is σ = 104040454262. Its totient is φ = 104040454260.

The previous prime is 104040454229. The next prime is 104040454279. The reversal of 104040454261 is 162454040401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103561676100 + 478778161 = 321810^2 + 21881^2 .

It is a cyclic number.

It is not a de Polignac number, because 104040454261 - 2⁵ = 104040454229 is a prime.

It is a super-2 number, since 2×104040454261² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104040454561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52020227130 + 52020227131.

It is an arithmetic number, because the mean of its divisors is an integer number (52020227131).

Almost surely, 2^104040454261 is an apocalyptic number.

It is an amenable number.

104040454261 is a deficient number, since it is larger than the sum of its proper divisors (1).

104040454261 is an equidigital number, since it uses as much as digits as its factorization.

104040454261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 104040454261 its reverse (162454040401), we get a palindrome (266494494662).

The spelling of 104040454261 in words is "one hundred four billion, forty million, four hundred fifty-four thousand, two hundred sixty-one".