73995783155128 has 16 divisors (see below), whose sum is σ = 138842558384760. Its totient is φ = 36971100919200.

The previous prime is 73995783155083. The next prime is 73995783155137. The reversal of 73995783155128 is 82155138759937.

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, 3348820558 + ... + 3348842653.

Almost surely, 2^{73995783155128} is an apocalyptic number.

It is an amenable number.

73995783155128 is a deficient number, since it is larger than the sum of its proper divisors (64846775229632).

73995783155128 is a wasteful number, since it uses less digits than its factorization.

73995783155128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6697664598 (or 6697664594 counting only the distinct ones).

The product of its digits is 571536000, while the sum is 73.

The spelling of 73995783155128 in words is "seventy-three trillion, nine hundred ninety-five billion, seven hundred eighty-three million, one hundred fifty-five thousand, one hundred twenty-eight".