2128575649203 has 12 divisors (see below), whose sum is σ = 3120498962568. Its totient is φ = 1397870575200.

The previous prime is 2128575649177. The next prime is 2128575649217. The reversal of 2128575649203 is 3029465758212.

2128575649203 is a `hidden beast` number, since 2 + 1 + 2 + 8 + 57 + 564 + 9 + 20 + 3 = 666.

It is not a de Polignac number, because 2128575649203 - 2⁵ = 2128575649171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2128575649203.

It is not an unprimeable number, because it can be changed into a prime (2128575649223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1764987498 + ... + 1764988703.

It is an arithmetic number, because the mean of its divisors is an integer number (260041580214).

It is a 1-persistent number, because it is pandigital, but 2⋅2128575649203 = 4257151298406 is not.

Almost surely, 2^{2128575649203} is an apocalyptic number.

2128575649203 is a deficient number, since it is larger than the sum of its proper divisors (991923313365).

2128575649203 is a wasteful number, since it uses less digits than its factorization.

2128575649203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3529976274 (or 3529976271 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 2128575649203 in words is "two trillion, one hundred twenty-eight billion, five hundred seventy-five million, six hundred forty-nine thousand, two hundred three".