11951101 has 2 divisors, whose sum is σ = 11951102. Its totient is φ = 11951100.

The previous prime is 11951083. The next prime is 11951117. The reversal of 11951101 is 10115911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6996025 + 4955076 = 2645^2 + 2226^2 .

It is a cyclic number.

It is not a de Polignac number, because 11951101 - 2⁷ = 11950973 is a prime.

It is a super-2 number, since 2×11951101² = 285657630224402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11951701) 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, 5975550 + 5975551.

It is an arithmetic number, because the mean of its divisors is an integer number (5975551).

Almost surely, 2^11951101 is an apocalyptic number.

It is an amenable number.

11951101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11951101 is an equidigital number, since it uses as much as digits as its factorization.

11951101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 19.

The square root of 11951101 is about 3457.0364475950. The cubic root of 11951101 is about 228.6314508106.

The spelling of 11951101 in words is "eleven million, nine hundred fifty-one thousand, one hundred one".