10851551 has 2 divisors, whose sum is σ = 10851552. Its totient is φ = 10851550.

The previous prime is 10851497. The next prime is 10851553. The reversal of 10851551 is 15515801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10851551 is a prime.

It is a Sophie Germain prime.

Together with 10851553, 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 10851551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10851553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5425775 + 5425776.

It is an arithmetic number, because the mean of its divisors is an integer number (5425776).

Almost surely, 2^10851551 is an apocalyptic number.

10851551 is a deficient number, since it is larger than the sum of its proper divisors (1).

10851551 is an equidigital number, since it uses as much as digits as its factorization.

10851551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1000, while the sum is 26.

The square root of 10851551 is about 3294.1692427682. The cubic root of 10851551 is about 221.3930272068.

The spelling of 10851551 in words is "ten million, eight hundred fifty-one thousand, five hundred fifty-one".