855466015441 has 2 divisors, whose sum is σ = 855466015442. Its totient is φ = 855466015440.

The previous prime is 855466015373. The next prime is 855466015463. The reversal of 855466015441 is 144510664558.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 810693148225 + 44772867216 = 900385^2 + 211596^2 .

It is a cyclic number.

It is not a de Polignac number, because 855466015441 - 2³³ = 846876080849 is a prime.

It is a super-3 number, since 3×855466015441³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (855466015841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427733007720 + 427733007721.

It is an arithmetic number, because the mean of its divisors is an integer number (427733007721).

Almost surely, 2^855466015441 is an apocalyptic number.

It is an amenable number.

855466015441 is a deficient number, since it is larger than the sum of its proper divisors (1).

855466015441 is an equidigital number, since it uses as much as digits as its factorization.

855466015441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304000, while the sum is 49.

Adding to 855466015441 its reverse (144510664558), we get a palindrome (999976679999).

The spelling of 855466015441 in words is "eight hundred fifty-five billion, four hundred sixty-six million, fifteen thousand, four hundred forty-one".