11606441551 has 2 divisors, whose sum is σ = 11606441552. Its totient is φ = 11606441550.

The previous prime is 11606441549. The next prime is 11606441599. The reversal of 11606441551 is 15514460611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11606441551 - 2¹ = 11606441549 is a prime.

Together with 11606441549, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11606421551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5803220775 + 5803220776.

It is an arithmetic number, because the mean of its divisors is an integer number (5803220776).

Almost surely, 2^11606441551 is an apocalyptic number.

11606441551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11606441551 is an equidigital number, since it uses as much as digits as its factorization.

11606441551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 11606441551 in words is "eleven billion, six hundred six million, four hundred forty-one thousand, five hundred fifty-one".