11197651 has 2 divisors, whose sum is σ = 11197652. Its totient is φ = 11197650.

The previous prime is 11197649. The next prime is 11197661. The reversal of 11197651 is 15679111.

11197651 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11197651 - 2¹ = 11197649 is a prime.

Together with 11197649, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11197601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5598825 + 5598826.

It is an arithmetic number, because the mean of its divisors is an integer number (5598826).

Almost surely, 2^11197651 is an apocalyptic number.

11197651 is a deficient number, since it is larger than the sum of its proper divisors (1).

11197651 is an equidigital number, since it uses as much as digits as its factorization.

11197651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 31.

The square root of 11197651 is about 3346.2891387326. The cubic root of 11197651 is about 223.7221456540.

The spelling of 11197651 in words is "eleven million, one hundred ninety-seven thousand, six hundred fifty-one".