61226011 has 16 divisors (see below), whose sum is σ = 77633280. Its totient is φ = 46896480.

The previous prime is 61226003. The next prime is 61226059. The reversal of 61226011 is 11062216.

It is a cyclic number.

It is not a de Polignac number, because 61226011 - 2³ = 61226003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61226011.

It is not an unprimeable number, because it can be changed into a prime (61226071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2196 + ... + 11281.

It is an arithmetic number, because the mean of its divisors is an integer number (4852080).

Almost surely, 2^61226011 is an apocalyptic number.

61226011 is a deficient number, since it is larger than the sum of its proper divisors (16407269).

61226011 is a wasteful number, since it uses less digits than its factorization.

61226011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13554.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 61226011 is about 7824.7051701646. The cubic root of 61226011 is about 394.1352894155.

Adding to 61226011 its reverse (11062216), we get a palindrome (72288227).

The spelling of 61226011 in words is "sixty-one million, two hundred twenty-six thousand, eleven".