75311350612 has 6 divisors (see below), whose sum is σ = 131794863578. Its totient is φ = 37655675304.

The previous prime is 75311350579. The next prime is 75311350619. The reversal of 75311350612 is 21605311357.

It can be written as a sum of positive squares in only one way, i.e., 46167397956 + 29143952656 = 214866^2 + 170716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75311350619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9413918823 + ... + 9413918830.

Almost surely, 2^75311350612 is an apocalyptic number.

It is an amenable number.

75311350612 is a deficient number, since it is larger than the sum of its proper divisors (56483512966).

75311350612 is a wasteful number, since it uses less digits than its factorization.

75311350612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18827837657 (or 18827837655 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

Adding to 75311350612 its reverse (21605311357), we get a palindrome (96916661969).

The spelling of 75311350612 in words is "seventy-five billion, three hundred eleven million, three hundred fifty thousand, six hundred twelve".