11557907 has 2 divisors, whose sum is σ = 11557908. Its totient is φ = 11557906.

The previous prime is 11557883. The next prime is 11557913. The reversal of 11557907 is 70975511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11557907 - 2¹² = 11553811 is a prime.

It is not a weakly prime, because it can be changed into another prime (11557207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5778953 + 5778954.

It is an arithmetic number, because the mean of its divisors is an integer number (5778954).

Almost surely, 2^11557907 is an apocalyptic number.

11557907 is a deficient number, since it is larger than the sum of its proper divisors (1).

11557907 is an equidigital number, since it uses as much as digits as its factorization.

11557907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11025, while the sum is 35.

The square root of 11557907 is about 3399.6921919491. The cubic root of 11557907 is about 226.0960969147.

The spelling of 11557907 in words is "eleven million, five hundred fifty-seven thousand, nine hundred seven".