2550766617505 has 8 divisors (see below), whose sum is σ = 3060943818624. Its totient is φ = 2040597375600.

The previous prime is 2550766617479. The next prime is 2550766617551. The reversal of 2550766617505 is 5057166670552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2550766617505 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 1260441 + ... + 2586550.

It is an arithmetic number, because the mean of its divisors is an integer number (382617977328).

Almost surely, 2^{2550766617505} is an apocalyptic number.

It is an amenable number.

2550766617505 is a deficient number, since it is larger than the sum of its proper divisors (510177201119).

2550766617505 is a wasteful number, since it uses less digits than its factorization.

2550766617505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979607.

The product of its (nonzero) digits is 13230000, while the sum is 55.

The spelling of 2550766617505 in words is "two trillion, five hundred fifty billion, seven hundred sixty-six million, six hundred seventeen thousand, five hundred five".