11543101 has 2 divisors, whose sum is σ = 11543102. Its totient is φ = 11543100.

The previous prime is 11543083. The next prime is 11543113. The reversal of 11543101 is 10134511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7128900 + 4414201 = 2670^2 + 2101^2 .

It is a cyclic number.

It is not a de Polignac number, because 11543101 - 2⁵ = 11543069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11540101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771550 + 5771551.

It is an arithmetic number, because the mean of its divisors is an integer number (5771551).

Almost surely, 2^11543101 is an apocalyptic number.

It is an amenable number.

11543101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11543101 is an equidigital number, since it uses as much as digits as its factorization.

11543101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 11543101 is about 3397.5139440479. The cubic root of 11543101 is about 225.9995105323. Note that the first 3 decimals are identical.

Adding to 11543101 its reverse (10134511), we get a palindrome (21677612).

The spelling of 11543101 in words is "eleven million, five hundred forty-three thousand, one hundred one".