75751313125 has 10 divisors (see below), whose sum is σ = 94658841662. Its totient is φ = 60601050000.

The previous prime is 75751313111. The next prime is 75751313129. The reversal of 75751313125 is 52131315757.

It can be written as a sum of positive squares in 5 ways, for example, as 21166467169 + 54584845956 = 145487^2 + 233634^2 .

It is not a de Polignac number, because 75751313125 - 2³³ = 67161378533 is a prime.

It is a super-2 number, since 2×75751313125² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75751313129) 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 9 ways as a sum of consecutive naturals, for example, 60600426 + ... + 60601675.

Almost surely, 2^75751313125 is an apocalyptic number.

It is an amenable number.

75751313125 is a deficient number, since it is larger than the sum of its proper divisors (18907528537).

75751313125 is an equidigital number, since it uses as much as digits as its factorization.

75751313125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121202121 (or 121202106 counting only the distinct ones).

The product of its digits is 110250, while the sum is 40.

The spelling of 75751313125 in words is "seventy-five billion, seven hundred fifty-one million, three hundred thirteen thousand, one hundred twenty-five".