7555480845557 has 8 divisors (see below), whose sum is σ = 7740567689400. Its totient is φ = 7371969209280.

The previous prime is 7555480845527. The next prime is 7555480845581.

7555480845557 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 1158962055601 + 6396518789956 = 1076551^2 + 2529134^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7555480845557 - 2²⁰ = 7555479796981 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 (7555480845527) 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, 393792182 + ... + 393811367.

It is an arithmetic number, because the mean of its divisors is an integer number (967570961175).

Almost surely, 2^{7555480845557} is an apocalyptic number.

It is an amenable number.

7555480845557 is a deficient number, since it is larger than the sum of its proper divisors (185086843843).

7555480845557 is a wasteful number, since it uses less digits than its factorization.

7555480845557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787603783.

The product of its (nonzero) digits is 784000000, while the sum is 68.

The spelling of 7555480845557 in words is "seven trillion, five hundred fifty-five billion, four hundred eighty million, eight hundred forty-five thousand, five hundred fifty-seven".