11043922428 has 288 divisors, whose sum is σ = 36560401920. Its totient is φ = 2850785280.

The previous prime is 11043922427. The next prime is 11043922429. The reversal of 11043922428 is 82422934011.

It is an interprime number because it is at equal distance from previous prime (11043922427) and next prime (11043922429).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11043922392 and 11043922401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043922427) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11234425 + ... + 11235407.

It is an arithmetic number, because the mean of its divisors is an integer number (126945840).

Almost surely, 2^11043922428 is an apocalyptic number.

11043922428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11043922428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18280200960).

11043922428 is an abundant number, since it is smaller than the sum of its proper divisors (25516479492).

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

11043922428 is a wasteful number, since it uses less digits than its factorization.

11043922428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 11043922428 in words is "eleven billion, forty-three million, nine hundred twenty-two thousand, four hundred twenty-eight".