11141171912 has 32 divisors (see below), whose sum is σ = 22519371000. Its totient is φ = 5136873984.

The previous prime is 11141171897. The next prime is 11141171959. The reversal of 11141171912 is 21917114111.

It can be written as a sum of positive squares in 4 ways, for example, as 6191486596 + 4949685316 = 78686^2 + 70354^2 .

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, 49964 + ... + 157412.

Almost surely, 2^11141171912 is an apocalyptic number.

It is an amenable number.

11141171912 is an abundant number, since it is smaller than the sum of its proper divisors (11378199088).

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

11141171912 is a wasteful number, since it uses less digits than its factorization.

11141171912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108465 (or 108461 counting only the distinct ones).

The product of its digits is 504, while the sum is 29.

The spelling of 11141171912 in words is "eleven billion, one hundred forty-one million, one hundred seventy-one thousand, nine hundred twelve".