50857351611 has 32 divisors (see below), whose sum is σ = 74680724736. Its totient is φ = 30783368000.

The previous prime is 50857351609. The next prime is 50857351621. The reversal of 50857351611 is 11615375805.

It is a happy number.

It is not a de Polignac number, because 50857351611 - 2¹ = 50857351609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50857351621) 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 31 ways as a sum of consecutive naturals, for example, 3294511 + ... + 3309911.

It is an arithmetic number, because the mean of its divisors is an integer number (2333772648).

Almost surely, 2^50857351611 is an apocalyptic number.

50857351611 is a deficient number, since it is larger than the sum of its proper divisors (23823373125).

50857351611 is a wasteful number, since it uses less digits than its factorization.

50857351611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16264 (or 16242 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 42.

The spelling of 50857351611 in words is "fifty billion, eight hundred fifty-seven million, three hundred fifty-one thousand, six hundred eleven".