11147091828 has 36 divisors (see below), whose sum is σ = 27629882112. Its totient is φ = 3497125760.

The previous prime is 11147091827. The next prime is 11147091869. The reversal of 11147091828 is 82819074111.

It is a self number, because there is not a number n which added to its sum of digits gives 11147091828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11147091827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1603668 + ... + 1610603.

Almost surely, 2^11147091828 is an apocalyptic number.

It is an amenable number.

11147091828 is an abundant number, since it is smaller than the sum of its proper divisors (16482790284).

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

11147091828 is a wasteful number, since it uses less digits than its factorization.

11147091828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214312 (or 3214293 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 42.

The spelling of 11147091828 in words is "eleven billion, one hundred forty-seven million, ninety-one thousand, eight hundred twenty-eight".