20111053 has 2 divisors, whose sum is σ = 20111054. Its totient is φ = 20111052.

The previous prime is 20111027. The next prime is 20111071. The reversal of 20111053 is 35011102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17791524 + 2319529 = 4218^2 + 1523^2 .

It is a cyclic number.

It is not a de Polignac number, because 20111053 - 2¹³ = 20102861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20111023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055526 + 10055527.

It is an arithmetic number, because the mean of its divisors is an integer number (10055527).

Almost surely, 2^20111053 is an apocalyptic number.

It is an amenable number.

20111053 is a deficient number, since it is larger than the sum of its proper divisors (1).

20111053 is an equidigital number, since it uses as much as digits as its factorization.

20111053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 20111053 is about 4484.5348699726. The cubic root of 20111053 is about 271.9432416533.

Adding to 20111053 its reverse (35011102), we get a palindrome (55122155).

The spelling of 20111053 in words is "twenty million, one hundred eleven thousand, fifty-three".