11551198 has 16 divisors (see below), whose sum is σ = 18210816. Its totient is φ = 5484600.

The previous prime is 11551181. The next prime is 11551201. The reversal of 11551198 is 89115511.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 6115 + ... + 7777.

It is an arithmetic number, because the mean of its divisors is an integer number (1138176).

Almost surely, 2^11551198 is an apocalyptic number.

11551198 is a deficient number, since it is larger than the sum of its proper divisors (6659618).

11551198 is a wasteful number, since it uses less digits than its factorization.

11551198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839.

The product of its digits is 1800, while the sum is 31.

The square root of 11551198 is about 3398.7053417441. The cubic root of 11551198 is about 226.0523412327.

The spelling of 11551198 in words is "eleven million, five hundred fifty-one thousand, one hundred ninety-eight".