11198901249 has 48 divisors (see below), whose sum is σ = 17732183040. Its totient is φ = 6780119040.

The previous prime is 11198901247. The next prime is 11198901251. The reversal of 11198901249 is 94210989111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11198901247) and next prime (11198901251).

It is not a de Polignac number, because 11198901249 - 2¹ = 11198901247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11198901247) 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, 1699449 + ... + 1706025.

It is an arithmetic number, because the mean of its divisors is an integer number (369420480).

Almost surely, 2^11198901249 is an apocalyptic number.

It is an amenable number.

11198901249 is a deficient number, since it is larger than the sum of its proper divisors (6533281791).

11198901249 is a wasteful number, since it uses less digits than its factorization.

11198901249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6990 (or 6987 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 45.

The spelling of 11198901249 in words is "eleven billion, one hundred ninety-eight million, nine hundred one thousand, two hundred forty-nine".