50151165157 has 4 divisors (see below), whose sum is σ = 50155379820. Its totient is φ = 50146950496.

The previous prime is 50151165131. The next prime is 50151165203. The reversal of 50151165157 is 75156115105.

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 45066619521 + 5084545636 = 212289^2 + 71306^2 .

It is a cyclic number.

It is not a de Polignac number, because 50151165157 - 2¹¹ = 50151163109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50151165107) 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, 2089432 + ... + 2113297.

It is an arithmetic number, because the mean of its divisors is an integer number (12538844955).

Almost surely, 2^50151165157 is an apocalyptic number.

It is an amenable number.

50151165157 is a deficient number, since it is larger than the sum of its proper divisors (4214663).

50151165157 is a wasteful number, since it uses less digits than its factorization.

50151165157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214662.

The product of its (nonzero) digits is 26250, while the sum is 37.

The spelling of 50151165157 in words is "fifty billion, one hundred fifty-one million, one hundred sixty-five thousand, one hundred fifty-seven".