50651151505 has 4 divisors (see below), whose sum is σ = 60781381812. Its totient is φ = 40520921200.

The previous prime is 50651151497. The next prime is 50651151521. The reversal of 50651151505 is 50515115605.

50651151505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 26676035584 + 23975115921 = 163328^2 + 154839^2 .

It is not a de Polignac number, because 50651151505 - 2³ = 50651151497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5065115146 + ... + 5065115155.

It is an arithmetic number, because the mean of its divisors is an integer number (15195345453).

Almost surely, 2^50651151505 is an apocalyptic number.

It is an amenable number.

50651151505 is a deficient number, since it is larger than the sum of its proper divisors (10130230307).

50651151505 is a wasteful number, since it uses less digits than its factorization.

50651151505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10130230306.

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 50651151505 in words is "fifty billion, six hundred fifty-one million, one hundred fifty-one thousand, five hundred five".