7555560655557 has 8 divisors (see below), whose sum is σ = 10079927706784. Its totient is φ = 5034117020688.

The previous prime is 7555560655547. The next prime is 7555560655567.

7555560655557 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (7555560655547) and next prime (7555560655567).

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

It is not a de Polignac number, because 7555560655557 - 2¹⁴ = 7555560639173 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 (7555560655507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730848058 + ... + 730858395.

It is an arithmetic number, because the mean of its divisors is an integer number (1259990963348).

Almost surely, 2^{7555560655557} is an apocalyptic number.

It is an amenable number.

7555560655557 is a deficient number, since it is larger than the sum of its proper divisors (2524367051227).

7555560655557 is a wasteful number, since it uses less digits than its factorization.

7555560655557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461708179.

The product of its (nonzero) digits is 689062500, while the sum is 66.

The spelling of 7555560655557 in words is "seven trillion, five hundred fifty-five billion, five hundred sixty million, six hundred fifty-five thousand, five hundred fifty-seven".