7255557375113 has 4 divisors (see below), whose sum is σ = 7255562764560. Its totient is φ = 7255551985668.

The previous prime is 7255557375089. The next prime is 7255557375119. The reversal of 7255557375113 is 3115737555527.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7255557375113 - 2¹⁰ = 7255557374089 is a prime.

It is a super-2 number, since 2×7255557375113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7255557375119) 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 3 ways as a sum of consecutive naturals, for example, 1231418 + ... + 4003436.

It is an arithmetic number, because the mean of its divisors is an integer number (1813890691140).

Almost surely, 2^{7255557375113} is an apocalyptic number.

It is an amenable number.

7255557375113 is a deficient number, since it is larger than the sum of its proper divisors (5389447).

7255557375113 is a wasteful number, since it uses less digits than its factorization.

7255557375113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5389446.

The product of its digits is 19293750, while the sum is 56.

The spelling of 7255557375113 in words is "seven trillion, two hundred fifty-five billion, five hundred fifty-seven million, three hundred seventy-five thousand, one hundred thirteen".