7125115455113 has 4 divisors (see below), whose sum is σ = 7125135262740. Its totient is φ = 7125095647488.

The previous prime is 7125115455079. The next prime is 7125115455151. The reversal of 7125115455113 is 3115545115217.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5087767449664 + 2037348005449 = 2255608^2 + 1427357^2 .

It is a cyclic number.

It is not a de Polignac number, because 7125115455113 - 2¹⁴ = 7125115438729 is a prime.

It is a super-3 number, since 3×7125115455113³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7125115455193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9354068 + ... + 10087061.

It is an arithmetic number, because the mean of its divisors is an integer number (1781283815685).

Almost surely, 2^{7125115455113} is an apocalyptic number.

It is an amenable number.

7125115455113 is a deficient number, since it is larger than the sum of its proper divisors (19807627).

7125115455113 is a wasteful number, since it uses less digits than its factorization.

7125115455113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19807626.

The product of its digits is 105000, while the sum is 41.

The spelling of 7125115455113 in words is "seven trillion, one hundred twenty-five billion, one hundred fifteen million, four hundred fifty-five thousand, one hundred thirteen".