50500000055111 has 2 divisors, whose sum is σ = 50500000055112. Its totient is φ = 50500000055110.

The previous prime is 50500000055051. The next prime is 50500000055149. The reversal of 50500000055111 is 11155000000505.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50500000055111 - 2²² = 50499995860807 is a prime.

It is a super-2 number, since 2×50500000055111² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50500000055171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25250000027555 + 25250000027556.

It is an arithmetic number, because the mean of its divisors is an integer number (25250000027556).

Almost surely, 2^{50500000055111} is an apocalyptic number.

50500000055111 is a deficient number, since it is larger than the sum of its proper divisors (1).

50500000055111 is an equidigital number, since it uses as much as digits as its factorization.

50500000055111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 625, while the sum is 23.

Adding to 50500000055111 its reverse (11155000000505), we get a palindrome (61655000055616).

The spelling of 50500000055111 in words is "fifty trillion, five hundred billion, fifty-five thousand, one hundred eleven".