50156166605013 has 36 divisors (see below), whose sum is σ = 84352001448780. Its totient is φ = 28634822649216.

The previous prime is 50156166605009. The next prime is 50156166605063. The reversal of 50156166605013 is 31050666165105.

It can be written as a sum of positive squares in 2 ways, for example, as 24686359920369 + 25469806684644 = 4968537^2 + 5046762^2 .

It is not a de Polignac number, because 50156166605013 - 2² = 50156166605009 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50156166605013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50156166605063) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 50788120 + ... + 51766257.

It is an arithmetic number, because the mean of its divisors is an integer number (2343111151355).

Almost surely, 2^{50156166605013} is an apocalyptic number.

It is an amenable number.

50156166605013 is a deficient number, since it is larger than the sum of its proper divisors (34195834843767).

50156166605013 is a wasteful number, since it uses less digits than its factorization.

50156166605013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102555506 (or 102555496 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 50156166605013 in words is "fifty trillion, one hundred fifty-six billion, one hundred sixty-six million, six hundred five thousand, thirteen".