7755505505505 has 48 divisors (see below), whose sum is σ = 13667164827264. Its totient is φ = 4067471738880.

The previous prime is 7755505505479. The next prime is 7755505505507. The reversal of 7755505505505 is 5055055055577.

It is not a de Polignac number, because 7755505505505 - 2¹¹ = 7755505503457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7755505505507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 489381 + ... + 3968690.

It is an arithmetic number, because the mean of its divisors is an integer number (284732600568).

Almost surely, 2^{7755505505505} is an apocalyptic number.

It is an amenable number.

7755505505505 is a deficient number, since it is larger than the sum of its proper divisors (5911659321759).

7755505505505 is a wasteful number, since it uses less digits than its factorization.

7755505505505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458726 (or 4458723 counting only the distinct ones).

The product of its (nonzero) digits is 19140625, while the sum is 54.

The spelling of 7755505505505 in words is "seven trillion, seven hundred fifty-five billion, five hundred five million, five hundred five thousand, five hundred five".