50161276511 has 4 divisors (see below), whose sum is σ = 50214246072. Its totient is φ = 50108306952.

The previous prime is 50161276471. The next prime is 50161276519. The reversal of 50161276511 is 11567216105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11567216105 = 5 ⋅2313443221.

It is a cyclic number.

It is not a de Polignac number, because 50161276511 - 2¹⁰ = 50161275487 is a prime.

It is a super-2 number, since 2×50161276511² (a number of 22 digits) contains 22 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 (50161276519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26483360 + ... + 26485253.

It is an arithmetic number, because the mean of its divisors is an integer number (12553561518).

Almost surely, 2^50161276511 is an apocalyptic number.

50161276511 is a deficient number, since it is larger than the sum of its proper divisors (52969561).

50161276511 is an equidigital number, since it uses as much as digits as its factorization.

50161276511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52969560.

The product of its (nonzero) digits is 12600, while the sum is 35.

The spelling of 50161276511 in words is "fifty billion, one hundred sixty-one million, two hundred seventy-six thousand, five hundred eleven".