11154646146 has 16 divisors (see below), whose sum is σ = 25496334144. Its totient is φ = 3187041744.

The previous prime is 11154646121. The next prime is 11154646157. The reversal of 11154646146 is 64164645111.

It is a super-2 number, since 2×11154646146² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132793365 + ... + 132793448.

It is an arithmetic number, because the mean of its divisors is an integer number (1593520884).

Almost surely, 2^11154646146 is an apocalyptic number.

11154646146 is an abundant number, since it is smaller than the sum of its proper divisors (14341687998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11154646146 is a wasteful number, since it uses less digits than its factorization.

11154646146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265586825.

The product of its digits is 69120, while the sum is 39.

The spelling of 11154646146 in words is "eleven billion, one hundred fifty-four million, six hundred forty-six thousand, one hundred forty-six".