16075252505 has 8 divisors (see below), whose sum is σ = 20774172552. Its totient is φ = 11870955648.

The previous prime is 16075252493. The next prime is 16075252517. The reversal of 16075252505 is 50525257061.

It is an interprime number because it is at equal distance from previous prime (16075252493) and next prime (16075252517).

It can be written as a sum of positive squares in 4 ways, for example, as 2328159001 + 13747093504 = 48251^2 + 117248^2 .

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 16075252505 - 2⁶ = 16075252441 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, 123655724 + ... + 123655853.

It is an arithmetic number, because the mean of its divisors is an integer number (2596771569).

Almost surely, 2^16075252505 is an apocalyptic number.

It is an amenable number.

16075252505 is a deficient number, since it is larger than the sum of its proper divisors (4698920047).

16075252505 is a wasteful number, since it uses less digits than its factorization.

16075252505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247311595.

The product of its (nonzero) digits is 105000, while the sum is 38.

The spelling of 16075252505 in words is "sixteen billion, seventy-five million, two hundred fifty-two thousand, five hundred five".