11542651 has 2 divisors, whose sum is σ = 11542652. Its totient is φ = 11542650.

The previous prime is 11542639. The next prime is 11542669. The reversal of 11542651 is 15624511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11542651 - 2⁷ = 11542523 is a prime.

It is not a weakly prime, because it can be changed into another prime (11542621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771325 + 5771326.

It is an arithmetic number, because the mean of its divisors is an integer number (5771326).

Almost surely, 2^11542651 is an apocalyptic number.

11542651 is a deficient number, since it is larger than the sum of its proper divisors (1).

11542651 is an equidigital number, since it uses as much as digits as its factorization.

11542651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 25.

The square root of 11542651 is about 3397.4477185087. The cubic root of 11542651 is about 225.9965736813.

The spelling of 11542651 in words is "eleven million, five hundred forty-two thousand, six hundred fifty-one".