1260805058671 has 4 divisors (see below), whose sum is σ = 1260808402392. Its totient is φ = 1260801714952.

The previous prime is 1260805058659. The next prime is 1260805058687. The reversal of 1260805058671 is 1768505080621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1260805058671 - 2³³ = 1252215124079 is a prime.

It is a super-3 number, since 3×1260805058671³ (a number of 37 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260805058771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022080 + ... + 1888453.

It is an arithmetic number, because the mean of its divisors is an integer number (315202100598).

Almost surely, 2^{1260805058671} is an apocalyptic number.

1260805058671 is a deficient number, since it is larger than the sum of its proper divisors (3343721).

1260805058671 is an equidigital number, since it uses as much as digits as its factorization.

1260805058671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343720.

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 1260805058671 in words is "one trillion, two hundred sixty billion, eight hundred five million, fifty-eight thousand, six hundred seventy-one".