50555121151 has 2 divisors, whose sum is σ = 50555121152. Its totient is φ = 50555121150.

The previous prime is 50555121121. The next prime is 50555121179. The reversal of 50555121151 is 15112155505.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50555121151 - 2⁵ = 50555121119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50555121121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277560575 + 25277560576.

It is an arithmetic number, because the mean of its divisors is an integer number (25277560576).

Almost surely, 2^50555121151 is an apocalyptic number.

50555121151 is a deficient number, since it is larger than the sum of its proper divisors (1).

50555121151 is an equidigital number, since it uses as much as digits as its factorization.

50555121151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6250, while the sum is 31.

Adding to 50555121151 its reverse (15112155505), we get a palindrome (65667276656).

The spelling of 50555121151 in words is "fifty billion, five hundred fifty-five million, one hundred twenty-one thousand, one hundred fifty-one".