1253161822573 has 8 divisors (see below), whose sum is σ = 1263292208640. Its totient is φ = 1243039986240.

The previous prime is 1253161822487. The next prime is 1253161822597. The reversal of 1253161822573 is 3752281613521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1253161822573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253161822373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1842940 + ... + 2429557.

It is an arithmetic number, because the mean of its divisors is an integer number (157911526080).

Almost surely, 2^{1253161822573} is an apocalyptic number.

It is an amenable number.

1253161822573 is a deficient number, since it is larger than the sum of its proper divisors (10130386067).

1253161822573 is a wasteful number, since it uses less digits than its factorization.

1253161822573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4274867.

The product of its digits is 604800, while the sum is 46.

The spelling of 1253161822573 in words is "one trillion, two hundred fifty-three billion, one hundred sixty-one million, eight hundred twenty-two thousand, five hundred seventy-three".