50011001055133 has 2 divisors, whose sum is σ = 50011001055134. Its totient is φ = 50011001055132.

The previous prime is 50011001054983. The next prime is 50011001055137. The reversal of 50011001055133 is 33155010011005.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28612207525444 + 21398793529689 = 5349038^2 + 4625883^2 .

It is a cyclic number.

It is not a de Polignac number, because 50011001055133 - 2⁴¹ = 47811977799581 is a prime.

It is a super-2 number, since 2×50011001055133² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50011001055098 and 50011001055107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50011001055137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25005500527566 + 25005500527567.

It is an arithmetic number, because the mean of its divisors is an integer number (25005500527567).

Almost surely, 2^{50011001055133} is an apocalyptic number.

It is an amenable number.

50011001055133 is a deficient number, since it is larger than the sum of its proper divisors (1).

50011001055133 is an equidigital number, since it uses as much as digits as its factorization.

50011001055133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1125, while the sum is 25.

Adding to 50011001055133 its reverse (33155010011005), we get a palindrome (83166011066138).

The spelling of 50011001055133 in words is "fifty trillion, eleven billion, one million, fifty-five thousand, one hundred thirty-three".