1352561642345 has 16 divisors (see below), whose sum is σ = 1661316972480. Its totient is φ = 1056569043264.

The previous prime is 1352561642251. The next prime is 1352561642353. The reversal of 1352561642345 is 5432461652531.

It is a cyclic number.

It is not a de Polignac number, because 1352561642345 - 2¹⁸ = 1352561380201 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1352561642345.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220190 + ... + 1659399.

It is an arithmetic number, because the mean of its divisors is an integer number (103832310780).

Almost surely, 2^{1352561642345} is an apocalyptic number.

It is an amenable number.

1352561642345 is a deficient number, since it is larger than the sum of its proper divisors (308755330135).

1352561642345 is a wasteful number, since it uses less digits than its factorization.

1352561642345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882984.

The product of its digits is 2592000, while the sum is 47.

The spelling of 1352561642345 in words is "one trillion, three hundred fifty-two billion, five hundred sixty-one million, six hundred forty-two thousand, three hundred forty-five".