11541998 has 16 divisors (see below), whose sum is σ = 19456416. Its totient is φ = 5095200.

The previous prime is 11541991. The next prime is 11542001. The reversal of 11541998 is 89914511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11541991) 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 7 ways as a sum of consecutive naturals, for example, 9053 + ... + 10248.

It is an arithmetic number, because the mean of its divisors is an integer number (1216026).

Almost surely, 2^11541998 is an apocalyptic number.

11541998 is a deficient number, since it is larger than the sum of its proper divisors (7914418).

11541998 is a wasteful number, since it uses less digits than its factorization.

11541998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19339.

The product of its digits is 12960, while the sum is 38.

The square root of 11541998 is about 3397.3516155971. The cubic root of 11541998 is about 225.9923118485.

The spelling of 11541998 in words is "eleven million, five hundred forty-one thousand, nine hundred ninety-eight".