50728690111 has 8 divisors (see below), whose sum is σ = 55347147648. Its totient is φ = 46111359000.

The previous prime is 50728690031. The next prime is 50728690127. The reversal of 50728690111 is 11109682705.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50728690111 - 2¹⁷ = 50728559039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50728690171) 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 7 ways as a sum of consecutive naturals, for example, 186025 + ... + 368866.

It is an arithmetic number, because the mean of its divisors is an integer number (6918393456).

Almost surely, 2^50728690111 is an apocalyptic number.

50728690111 is a deficient number, since it is larger than the sum of its proper divisors (4618457537).

50728690111 is a wasteful number, since it uses less digits than its factorization.

50728690111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563213.

The product of its (nonzero) digits is 30240, while the sum is 40.

The spelling of 50728690111 in words is "fifty billion, seven hundred twenty-eight million, six hundred ninety thousand, one hundred eleven".