50512126157 has 4 divisors (see below), whose sum is σ = 51744129276. Its totient is φ = 49280123040.

The previous prime is 50512126141. The next prime is 50512126213. The reversal of 50512126157 is 75162121505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19473086116 + 31039040041 = 139546^2 + 176179^2 .

It is a cyclic number.

It is not a de Polignac number, because 50512126157 - 2⁴ = 50512126141 is a prime.

It is a super-3 number, since 3×50512126157³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50512126127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616001498 + ... + 616001579.

It is an arithmetic number, because the mean of its divisors is an integer number (12936032319).

Almost surely, 2^50512126157 is an apocalyptic number.

It is an amenable number.

50512126157 is a deficient number, since it is larger than the sum of its proper divisors (1232003119).

50512126157 is a wasteful number, since it uses less digits than its factorization.

50512126157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232003118.

The product of its (nonzero) digits is 21000, while the sum is 35.

The spelling of 50512126157 in words is "fifty billion, five hundred twelve million, one hundred twenty-six thousand, one hundred fifty-seven".