11215741 has 2 divisors, whose sum is σ = 11215742. Its totient is φ = 11215740.

The previous prime is 11215739. The next prime is 11215753. The reversal of 11215741 is 14751211.

11215741 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6502500 + 4713241 = 2550^2 + 2171^2 .

It is a cyclic number.

It is not a de Polignac number, because 11215741 - 2¹ = 11215739 is a prime.

Together with 11215739, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11215781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5607870 + 5607871.

It is an arithmetic number, because the mean of its divisors is an integer number (5607871).

Almost surely, 2^11215741 is an apocalyptic number.

It is an amenable number.

11215741 is a deficient number, since it is larger than the sum of its proper divisors (1).

11215741 is an equidigital number, since it uses as much as digits as its factorization.

11215741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 280, while the sum is 22.

The square root of 11215741 is about 3348.9910420901. The cubic root of 11215741 is about 223.8425565082.

Adding to 11215741 its reverse (14751211), we get a palindrome (25966952).

The spelling of 11215741 in words is "eleven million, two hundred fifteen thousand, seven hundred forty-one".