1319561047602 has 72 divisors (see below), whose sum is σ = 3328063374636. Its totient is φ = 376764542784.

The previous prime is 1319561047591. The next prime is 1319561047619. The reversal of 1319561047602 is 2067401659131.

1319561047602 is a `hidden beast` number, since 1 + 3 + 19 + 561 + 0 + 4 + 76 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1314161884161 + 5399163441 = 1146369^2 + 73479^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 815788 + ... + 1817864.

Almost surely, 2^{1319561047602} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1319561047602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1664031687318).

1319561047602 is an abundant number, since it is smaller than the sum of its proper divisors (2008502327034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1319561047602 is a wasteful number, since it uses less digits than its factorization.

1319561047602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003592 (or 1003582 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 1319561047602 in words is "one trillion, three hundred nineteen billion, five hundred sixty-one million, forty-seven thousand, six hundred two".