2550500778671 has 16 divisors (see below), whose sum is σ = 2617412641536. Its totient is φ = 2483944819776.

The previous prime is 2550500778643. The next prime is 2550500778733. The reversal of 2550500778671 is 1768770050552.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2550500778671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550500718671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20481131 + ... + 20605283.

It is an arithmetic number, because the mean of its divisors is an integer number (163588290096).

Almost surely, 2^{2550500778671} is an apocalyptic number.

2550500778671 is a deficient number, since it is larger than the sum of its proper divisors (66911862865).

2550500778671 is a wasteful number, since it uses less digits than its factorization.

2550500778671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125582.

The product of its (nonzero) digits is 4116000, while the sum is 53.

The spelling of 2550500778671 in words is "two trillion, five hundred fifty billion, five hundred million, seven hundred seventy-eight thousand, six hundred seventy-one".