2125512315045 has 256 divisors, whose sum is σ = 4787693568000. Its totient is φ = 873104956416.

The previous prime is 2125512315037. The next prime is 2125512315071. The reversal of 2125512315045 is 5405132155212.

2125512315045 is a `hidden beast` number, since 2 + 1 + 25 + 5 + 123 + 1 + 504 + 5 = 666.

It is not a de Polignac number, because 2125512315045 - 2³ = 2125512315037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 23276086 + ... + 23367224.

It is an arithmetic number, because the mean of its divisors is an integer number (18701928000).

Almost surely, 2^{2125512315045} is an apocalyptic number.

It is an amenable number.

2125512315045 is an abundant number, since it is smaller than the sum of its proper divisors (2662181252955).

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

2125512315045 is a wasteful number, since it uses less digits than its factorization.

2125512315045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91249 (or 91243 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 2125512315045 in words is "two trillion, one hundred twenty-five billion, five hundred twelve million, three hundred fifteen thousand, forty-five".