2005125502550 has 48 divisors (see below), whose sum is σ = 3851730772560. Its totient is φ = 776013413760.

The previous prime is 2005125502547. The next prime is 2005125502577. The reversal of 2005125502550 is 552055215002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2696369 + ... + 3358668.

It is an arithmetic number, because the mean of its divisors is an integer number (80244391095).

Almost surely, 2^{2005125502550} is an apocalyptic number.

2005125502550 is a deficient number, since it is larger than the sum of its proper divisors (1846605270010).

2005125502550 is a wasteful number, since it uses less digits than its factorization.

2005125502550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055265 (or 6055260 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 32.

The spelling of 2005125502550 in words is "two trillion, five billion, one hundred twenty-five million, five hundred two thousand, five hundred fifty".