11264401061 has 4 divisors (see below), whose sum is σ = 11367744300. Its totient is φ = 11161057824.

The previous prime is 11264401019. The next prime is 11264401073. The reversal of 11264401061 is 16010446211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16010446211 = 23 ⋅696106357.

It can be written as a sum of positive squares in 2 ways, for example, as 7520184961 + 3744216100 = 86719^2 + 61190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11264401061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11264401061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11264401091) 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 in 3 ways as a sum of consecutive naturals, for example, 51671456 + ... + 51671673.

It is an arithmetic number, because the mean of its divisors is an integer number (2841936075).

Almost surely, 2^11264401061 is an apocalyptic number.

It is an amenable number.

11264401061 is a deficient number, since it is larger than the sum of its proper divisors (103343239).

11264401061 is a wasteful number, since it uses less digits than its factorization.

11264401061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103343238.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 11264401061 its reverse (16010446211), we get a palindrome (27274847272).

The spelling of 11264401061 in words is "eleven billion, two hundred sixty-four million, four hundred one thousand, sixty-one".