16252420601025 has 36 divisors (see below), whose sum is σ = 33268446998592. Its totient is φ = 7429677988320.

The previous prime is 16252420600987. The next prime is 16252420601051. The reversal of 16252420601025 is 52010602425261.

16252420601025 is a `hidden beast` number, since 1 + 6 + 2 + 5 + 2 + 4 + 20 + 601 + 0 + 25 = 666.

It is not a de Polignac number, because 16252420601025 - 2¹⁰ = 16252420600001 is a prime.

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, 5159497029 + ... + 5159500178.

Almost surely, 2^{16252420601025} is an apocalyptic number.

16252420601025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16252420601025 is an abundant number, since it is smaller than the sum of its proper divisors (17016026397567).

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

16252420601025 is a wasteful number, since it uses less digits than its factorization.

16252420601025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10318997230 (or 10318997222 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 16252420601025 in words is "sixteen trillion, two hundred fifty-two billion, four hundred twenty million, six hundred one thousand, twenty-five".