11155055612 has 12 divisors (see below), whose sum is σ = 19641111336. Its totient is φ = 5543309520.

The previous prime is 11155055573. The next prime is 11155055627. The reversal of 11155055612 is 21655055111.

It is a congruent number.

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, 8553839 + ... + 8555142.

It is an arithmetic number, because the mean of its divisors is an integer number (1636759278).

Almost surely, 2^11155055612 is an apocalyptic number.

It is an amenable number.

11155055612 is a deficient number, since it is larger than the sum of its proper divisors (8486055724).

11155055612 is a wasteful number, since it uses less digits than its factorization.

11155055612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17109148 (or 17109146 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 32.

The spelling of 11155055612 in words is "eleven billion, one hundred fifty-five million, fifty-five thousand, six hundred twelve".