20151600225453 has 18 divisors (see below), whose sum is σ = 29304533201034. Its totient is φ = 13344236258592.

The previous prime is 20151600225451. The next prime is 20151600225577. The reversal of 20151600225453 is 35452200615102.

20151600225453 is a `hidden beast` number, since 2 + 0 + 1 + 5 + 1 + 600 + 2 + 2 + 5 + 45 + 3 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 49532063364 + 20102068162089 = 222558^2 + 4483533^2 .

It is not a de Polignac number, because 20151600225453 - 2¹ = 20151600225451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20151600225451) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 50227350 + ... + 50626967.

Almost surely, 2^{20151600225453} is an apocalyptic number.

It is an amenable number.

20151600225453 is a deficient number, since it is larger than the sum of its proper divisors (9152932975581).

20151600225453 is a wasteful number, since it uses less digits than its factorization.

20151600225453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100854621 (or 100854469 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 20151600225453 in words is "twenty trillion, one hundred fifty-one billion, six hundred million, two hundred twenty-five thousand, four hundred fifty-three".