75125215028 has 12 divisors (see below), whose sum is σ = 131499097632. Its totient is φ = 37554044280.

The previous prime is 75125215027. The next prime is 75125215043. The reversal of 75125215028 is 82051252157.

It is a junction number, because it is equal to n+sod(n) for n = 75125214982 and 75125215000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75125215021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2121050 + ... + 2156177.

It is an arithmetic number, because the mean of its divisors is an integer number (10958258136).

Almost surely, 2^75125215028 is an apocalyptic number.

It is an amenable number.

75125215028 is a deficient number, since it is larger than the sum of its proper divisors (56373882604).

75125215028 is a wasteful number, since it uses less digits than its factorization.

75125215028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4281622 (or 4281620 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 38.

The spelling of 75125215028 in words is "seventy-five billion, one hundred twenty-five million, two hundred fifteen thousand, twenty-eight".