11621426053 has 2 divisors, whose sum is σ = 11621426054. Its totient is φ = 11621426052.

The previous prime is 11621425997. The next prime is 11621426087. The reversal of 11621426053 is 35062412611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11603167524 + 18258529 = 107718^2 + 4273^2 .

It is an emirp because it is prime and its reverse (35062412611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11621426053 - 2¹³ = 11621417861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11621426093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5810713026 + 5810713027.

It is an arithmetic number, because the mean of its divisors is an integer number (5810713027).

Almost surely, 2^11621426053 is an apocalyptic number.

It is an amenable number.

11621426053 is a deficient number, since it is larger than the sum of its proper divisors (1).

11621426053 is an equidigital number, since it uses as much as digits as its factorization.

11621426053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 11621426053 its reverse (35062412611), we get a palindrome (46683838664).

The spelling of 11621426053 in words is "eleven billion, six hundred twenty-one million, four hundred twenty-six thousand, fifty-three".