11454551 has 2 divisors, whose sum is σ = 11454552. Its totient is φ = 11454550.

The previous prime is 11454523. The next prime is 11454559. The reversal of 11454551 is 15545411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11454551 - 2¹⁸ = 11192407 is a prime.

It is a super-2 number, since 2×11454551² = 262413477223202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11454551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11454559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5727275 + 5727276.

It is an arithmetic number, because the mean of its divisors is an integer number (5727276).

Almost surely, 2^11454551 is an apocalyptic number.

11454551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11454551 is an equidigital number, since it uses as much as digits as its factorization.

11454551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2000, while the sum is 26.

The square root of 11454551 is about 3384.4572681598. The cubic root of 11454551 is about 225.4201269718.

Adding to 11454551 its reverse (15545411), we get a palindrome (26999962).

The spelling of 11454551 in words is "eleven million, four hundred fifty-four thousand, five hundred fifty-one".