7755505505504 has 96 divisors (see below), whose sum is σ = 15676824240000. Its totient is φ = 3775385562624.

The previous prime is 7755505505479. The next prime is 7755505505507. The reversal of 7755505505504 is 4055055055577.

It is a congruent number.

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

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 15 ways as a sum of consecutive naturals, for example, 555425627 + ... + 555439589.

It is an arithmetic number, because the mean of its divisors is an integer number (163300252500).

Almost surely, 2^{7755505505504} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7755505505504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7838412120000).

7755505505504 is an abundant number, since it is smaller than the sum of its proper divisors (7921318734496).

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

7755505505504 is a wasteful number, since it uses less digits than its factorization.

7755505505504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16840 (or 16832 counting only the distinct ones).

The product of its (nonzero) digits is 15312500, while the sum is 53.

The spelling of 7755505505504 in words is "seven trillion, seven hundred fifty-five billion, five hundred five million, five hundred five thousand, five hundred four".