11205413551 has 2 divisors, whose sum is σ = 11205413552. Its totient is φ = 11205413550.

The previous prime is 11205413497. The next prime is 11205413563. The reversal of 11205413551 is 15531450211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11205413551 - 2¹⁵ = 11205380783 is a prime.

It is a super-2 number, since 2×11205413551² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11205413591) 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 as a sum of consecutive naturals, namely, 5602706775 + 5602706776.

It is an arithmetic number, because the mean of its divisors is an integer number (5602706776).

Almost surely, 2^11205413551 is an apocalyptic number.

11205413551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11205413551 is an equidigital number, since it uses as much as digits as its factorization.

11205413551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 11205413551 its reverse (15531450211), we get a palindrome (26736863762).

The spelling of 11205413551 in words is "eleven billion, two hundred five million, four hundred thirteen thousand, five hundred fifty-one".