2555555305507 has 8 divisors (see below), whose sum is σ = 2625276277616. Its totient is φ = 2485868644512.

The previous prime is 2555555305469. The next prime is 2555555305553. The reversal of 2555555305507 is 7055035555552.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2555555305507 is a prime.

It is a super-2 number, since 2×2555555305507² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2555555305607) 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 7 ways as a sum of consecutive naturals, for example, 8426748 + ... + 8724745.

It is an arithmetic number, because the mean of its divisors is an integer number (328159534702).

Almost surely, 2^{2555555305507} is an apocalyptic number.

2555555305507 is a deficient number, since it is larger than the sum of its proper divisors (69720972109).

2555555305507 is a wasteful number, since it uses less digits than its factorization.

2555555305507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17155557.

The product of its (nonzero) digits is 16406250, while the sum is 52.

The spelling of 2555555305507 in words is "two trillion, five hundred fifty-five billion, five hundred fifty-five million, three hundred five thousand, five hundred seven".