11264554421 has 2 divisors, whose sum is σ = 11264554422. Its totient is φ = 11264554420.

The previous prime is 11264554417. The next prime is 11264554459. The reversal of 11264554421 is 12445546211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11242360900 + 22193521 = 106030^2 + 4711^2 .

It is a cyclic number.

It is not a de Polignac number, because 11264554421 - 2² = 11264554417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11264524421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5632277210 + 5632277211.

It is an arithmetic number, because the mean of its divisors is an integer number (5632277211).

Almost surely, 2^11264554421 is an apocalyptic number.

It is an amenable number.

11264554421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11264554421 is an equidigital number, since it uses as much as digits as its factorization.

11264554421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38400, while the sum is 35.

The spelling of 11264554421 in words is "eleven billion, two hundred sixty-four million, five hundred fifty-four thousand, four hundred twenty-one".