75081975225 has 12 divisors (see below), whose sum is σ = 124135532496. Its totient is φ = 40043720080.

The previous prime is 75081975203. The next prime is 75081975229. The reversal of 75081975225 is 52257918057.

It is not a de Polignac number, because 75081975225 - 2⁶ = 75081975161 is a prime.

It is a super-3 number, since 3×75081975225³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (75081975229) 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 11 ways as a sum of consecutive naturals, for example, 500546427 + ... + 500546576.

It is an arithmetic number, because the mean of its divisors is an integer number (10344627708).

Almost surely, 2^75081975225 is an apocalyptic number.

75081975225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75081975225 is a deficient number, since it is larger than the sum of its proper divisors (49053557271).

75081975225 is a wasteful number, since it uses less digits than its factorization.

75081975225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001093016 (or 1001093011 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 51.

The spelling of 75081975225 in words is "seventy-five billion, eighty-one million, nine hundred seventy-five thousand, two hundred twenty-five".