11101957 has 2 divisors, whose sum is σ = 11101958. Its totient is φ = 11101956.

The previous prime is 11101933. The next prime is 11102009. The reversal of 11101957 is 75910111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10439361 + 662596 = 3231^2 + 814^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101957 - 2⁷ = 11101829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550978 + 5550979.

It is an arithmetic number, because the mean of its divisors is an integer number (5550979).

Almost surely, 2^11101957 is an apocalyptic number.

It is an amenable number.

11101957 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101957 is an equidigital number, since it uses as much as digits as its factorization.

11101957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315, while the sum is 25.

The square root of 11101957 is about 3331.9599337327. The cubic root of 11101957 is about 223.0830192212.

The spelling of 11101957 in words is "eleven million, one hundred one thousand, nine hundred fifty-seven".