11145169712 has 20 divisors (see below), whose sum is σ = 21607236840. Its totient is φ = 5569108608.

The previous prime is 11145169709. The next prime is 11145169727. The reversal of 11145169712 is 21796154111.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190718 + ... + 242205.

It is an arithmetic number, because the mean of its divisors is an integer number (1080361842).

Almost surely, 2^11145169712 is an apocalyptic number.

It is an amenable number.

11145169712 is a deficient number, since it is larger than the sum of its proper divisors (10462067128).

11145169712 is a wasteful number, since it uses less digits than its factorization.

11145169712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434540 (or 434534 counting only the distinct ones).

The product of its digits is 15120, while the sum is 38.

The spelling of 11145169712 in words is "eleven billion, one hundred forty-five million, one hundred sixty-nine thousand, seven hundred twelve".