11154229939 has 12 divisors (see below), whose sum is σ = 11580485160. Its totient is φ = 10743062400.

The previous prime is 11154229921. The next prime is 11154229943. The reversal of 11154229939 is 93992245111.

It is not a de Polignac number, because 11154229939 - 2⁷ = 11154229811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11154299939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175267 + ... + 230275.

It is an arithmetic number, because the mean of its divisors is an integer number (965040430).

Almost surely, 2^11154229939 is an apocalyptic number.

11154229939 is a deficient number, since it is larger than the sum of its proper divisors (426255221).

11154229939 is an equidigital number, since it uses as much as digits as its factorization.

11154229939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55282 (or 55251 counting only the distinct ones).

The product of its digits is 174960, while the sum is 46.

The spelling of 11154229939 in words is "eleven billion, one hundred fifty-four million, two hundred twenty-nine thousand, nine hundred thirty-nine".