11146151220 has 48 divisors (see below), whose sum is σ = 31798085760. Its totient is φ = 2916224896.

The previous prime is 11146151207. The next prime is 11146151231. The reversal of 11146151220 is 2215164111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1749360 + ... + 1755719.

It is an arithmetic number, because the mean of its divisors is an integer number (662460120).

Almost surely, 2^11146151220 is an apocalyptic number.

11146151220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11146151220 is an abundant number, since it is smaller than the sum of its proper divisors (20651934540).

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

11146151220 is a wasteful number, since it uses less digits than its factorization.

11146151220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505144 (or 3505142 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The spelling of 11146151220 in words is "eleven billion, one hundred forty-six million, one hundred fifty-one thousand, two hundred twenty".