50151112409 has 4 divisors (see below), whose sum is σ = 50470546404. Its totient is φ = 49831678416.

The previous prime is 50151112393. The next prime is 50151112457. The reversal of 50151112409 is 90421115105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90421115105 = 5 ⋅18084223021.

It can be written as a sum of positive squares in 2 ways, for example, as 24296080384 + 25855032025 = 155872^2 + 160795^2 .

It is a cyclic number.

It is not a de Polignac number, because 50151112409 - 2⁴ = 50151112393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50151102409) 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 3 ways as a sum of consecutive naturals, for example, 159716762 + ... + 159717075.

It is an arithmetic number, because the mean of its divisors is an integer number (12617636601).

Almost surely, 2^50151112409 is an apocalyptic number.

It is an amenable number.

50151112409 is a deficient number, since it is larger than the sum of its proper divisors (319433995).

50151112409 is a wasteful number, since it uses less digits than its factorization.

50151112409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319433994.

The product of its (nonzero) digits is 1800, while the sum is 29.

The spelling of 50151112409 in words is "fifty billion, one hundred fifty-one million, one hundred twelve thousand, four hundred nine".