11500056101 has 2 divisors, whose sum is σ = 11500056102. Its totient is φ = 11500056100.

The previous prime is 11500056067. The next prime is 11500056107. The reversal of 11500056101 is 10165000511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11266761025 + 233295076 = 106145^2 + 15274^2 .

It is a cyclic number.

It is not a de Polignac number, because 11500056101 - 2²⁶ = 11432947237 is a prime.

It is a super-2 number, since 2×11500056101² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11500056107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5750028050 + 5750028051.

It is an arithmetic number, because the mean of its divisors is an integer number (5750028051).

Almost surely, 2^11500056101 is an apocalyptic number.

It is an amenable number.

11500056101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11500056101 is an equidigital number, since it uses as much as digits as its factorization.

11500056101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 11500056101 its reverse (10165000511), we get a palindrome (21665056612).

The spelling of 11500056101 in words is "eleven billion, five hundred million, fifty-six thousand, one hundred one".