50515151123 has 2 divisors, whose sum is σ = 50515151124. Its totient is φ = 50515151122.

The previous prime is 50515151081. The next prime is 50515151129. The reversal of 50515151123 is 32115151505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50515151123 - 2³² = 46220183827 is a prime.

It is a super-2 number, since 2×50515151123² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50515151129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25257575561 + 25257575562.

It is an arithmetic number, because the mean of its divisors is an integer number (25257575562).

Almost surely, 2^50515151123 is an apocalyptic number.

50515151123 is a deficient number, since it is larger than the sum of its proper divisors (1).

50515151123 is an equidigital number, since it uses as much as digits as its factorization.

50515151123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 50515151123 in words is "fifty billion, five hundred fifteen million, one hundred fifty-one thousand, one hundred twenty-three".