11272019886 has 32 divisors (see below), whose sum is σ = 25053073920. Its totient is φ = 3756718872.

The previous prime is 11272019867. The next prime is 11272019887. The reversal of 11272019886 is 68891027211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11272019887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409101 + ... + 435783.

It is an arithmetic number, because the mean of its divisors is an integer number (782908560).

Almost surely, 2^11272019886 is an apocalyptic number.

11272019886 is an abundant number, since it is smaller than the sum of its proper divisors (13781054034).

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

11272019886 is a wasteful number, since it uses less digits than its factorization.

11272019886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34517 (or 34511 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The spelling of 11272019886 in words is "eleven billion, two hundred seventy-two million, nineteen thousand, eight hundred eighty-six".