11910901 has 2 divisors, whose sum is σ = 11910902. Its totient is φ = 11910900.

The previous prime is 11910893. The next prime is 11910923. The reversal of 11910901 is 10901911.

It is an a-pointer prime, because the next prime (11910923) can be obtained adding 11910901 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6275025 + 5635876 = 2505^2 + 2374^2 .

It is an emirp because it is prime and its reverse (10901911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11910901 - 2³ = 11910893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11910961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5955450 + 5955451.

It is an arithmetic number, because the mean of its divisors is an integer number (5955451).

Almost surely, 2^11910901 is an apocalyptic number.

It is an amenable number.

11910901 is a deficient number, since it is larger than the sum of its proper divisors (1).

11910901 is an equidigital number, since it uses as much as digits as its factorization.

11910901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 22.

The square root of 11910901 is about 3451.2173214679. The cubic root of 11910901 is about 228.3748131200.

The spelling of 11910901 in words is "eleven million, nine hundred ten thousand, nine hundred one".