142505260053505 has 8 divisors (see below), whose sum is σ = 171006410895912. Its totient is φ = 114004142155008.

The previous prime is 142505260053473. The next prime is 142505260053511. The reversal of 142505260053505 is 505350062505241.

It can be written as a sum of positive squares in 4 ways, for example, as 16035083210689 + 126470176842816 = 4004383^2 + 11245896^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 142505260053505 - 2⁵ = 142505260053473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2569287 + ... + 17076643.

It is an arithmetic number, because the mean of its divisors is an integer number (21375801361989).

Almost surely, 2^{142505260053505} is an apocalyptic number.

It is an amenable number.

142505260053505 is a deficient number, since it is larger than the sum of its proper divisors (28501150842407).

142505260053505 is a wasteful number, since it uses less digits than its factorization.

142505260053505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16471955.

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 142505260053505 in words is "one hundred forty-two trillion, five hundred five billion, two hundred sixty million, fifty-three thousand, five hundred five".