1260660448191 has 16 divisors (see below), whose sum is σ = 1682215331328. Its totient is φ = 839773075200.

The previous prime is 1260660448189. The next prime is 1260660448199. The reversal of 1260660448191 is 1918440660621.

It is not a de Polignac number, because 1260660448191 - 2¹ = 1260660448189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1260660448191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260660448199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61065231 + ... + 61085871.

It is an arithmetic number, because the mean of its divisors is an integer number (105138458208).

Almost surely, 2^{1260660448191} is an apocalyptic number.

1260660448191 is a deficient number, since it is larger than the sum of its proper divisors (421554883137).

1260660448191 is a wasteful number, since it uses less digits than its factorization.

1260660448191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35822.

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 1260660448191 in words is "one trillion, two hundred sixty billion, six hundred sixty million, four hundred forty-eight thousand, one hundred ninety-one".