11526551 has 2 divisors, whose sum is σ = 11526552. Its totient is φ = 11526550.

The previous prime is 11526547. The next prime is 11526553. The reversal of 11526551 is 15562511.

11526551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11526551 - 2² = 11526547 is a prime.

It is a super-2 number, since 2×11526551² = 265722755911202, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 11526553, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11526551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11526553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5763275 + 5763276.

It is an arithmetic number, because the mean of its divisors is an integer number (5763276).

Almost surely, 2^11526551 is an apocalyptic number.

11526551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11526551 is an equidigital number, since it uses as much as digits as its factorization.

11526551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1500, while the sum is 26.

The square root of 11526551 is about 3395.0774659792. The cubic root of 11526551 is about 225.8914494234.

The spelling of 11526551 in words is "eleven million, five hundred twenty-six thousand, five hundred fifty-one".