11198901 has 48 divisors (see below), whose sum is σ = 18714240. Its totient is φ = 5927040.

The previous prime is 11198899. The next prime is 11198909. The reversal of 11198901 is 10989111.

It is a happy number.

It is not a de Polignac number, because 11198901 - 2¹ = 11198899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11198909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157696 + ... + 157766.

It is an arithmetic number, because the mean of its divisors is an integer number (389880).

Almost surely, 2^11198901 is an apocalyptic number.

It is an amenable number.

11198901 is a deficient number, since it is larger than the sum of its proper divisors (7515339).

11198901 is a wasteful number, since it uses less digits than its factorization.

11198901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 30.

The square root of 11198901 is about 3346.4759075780. The cubic root of 11198901 is about 223.7304700867.

The spelling of 11198901 in words is "eleven million, one hundred ninety-eight thousand, nine hundred one".