7125105757 has 8 divisors (see below), whose sum is σ = 8883248832. Its totient is φ = 5552030400.

The previous prime is 7125105733. The next prime is 7125105763. The reversal of 7125105757 is 7575015217.

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

It is not a de Polignac number, because 7125105757 - 2²³ = 7116717149 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 (7125105707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46266844 + ... + 46266997.

It is an arithmetic number, because the mean of its divisors is an integer number (1110406104).

Almost surely, 2^7125105757 is an apocalyptic number.

7125105757 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

7125105757 is a deficient number, since it is larger than the sum of its proper divisors (1758143075).

7125105757 is a wasteful number, since it uses less digits than its factorization.

7125105757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92533859.

The product of its (nonzero) digits is 85750, while the sum is 40.

The square root of 7125105757 is about 84410.3415287487. The cubic root of 7125105757 is about 1924.2600861979.

The spelling of 7125105757 in words is "seven billion, one hundred twenty-five million, one hundred five thousand, seven hundred fifty-seven".