75020043512 has 16 divisors (see below), whose sum is σ = 148936851360. Its totient is φ = 35303549824.

The previous prime is 75020043481. The next prime is 75020043521. The reversal of 75020043512 is 21534002057.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275808848 + ... + 275809119.

It is an arithmetic number, because the mean of its divisors is an integer number (9308553210).

Almost surely, 2^75020043512 is an apocalyptic number.

It is an amenable number.

75020043512 is a deficient number, since it is larger than the sum of its proper divisors (73916807848).

75020043512 is a wasteful number, since it uses less digits than its factorization.

75020043512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551617990 (or 551617986 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

Adding to 75020043512 its reverse (21534002057), we get a palindrome (96554045569).

The spelling of 75020043512 in words is "seventy-five billion, twenty million, forty-three thousand, five hundred twelve".