10611551 has 2 divisors, whose sum is σ = 10611552. Its totient is φ = 10611550.

The previous prime is 10611541. The next prime is 10611571. The reversal of 10611551 is 15511601.

It is an a-pointer prime, because the next prime (10611571) can be obtained adding 10611551 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10611551 - 2²² = 6417247 is a prime.

It is a super-2 number, since 2×10611551² = 225210029251202, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10611521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5305775 + 5305776.

It is an arithmetic number, because the mean of its divisors is an integer number (5305776).

Almost surely, 2^10611551 is an apocalyptic number.

10611551 is a deficient number, since it is larger than the sum of its proper divisors (1).

10611551 is an equidigital number, since it uses as much as digits as its factorization.

10611551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 10611551 is about 3257.5375669361. The cubic root of 10611551 is about 219.7486868553.

The spelling of 10611551 in words is "ten million, six hundred eleven thousand, five hundred fifty-one".