11219899392 has 264 divisors, whose sum is σ = 35407532160. Its totient is φ = 3401072640.

The previous prime is 11219899391. The next prime is 11219899393. The reversal of 11219899392 is 29399891211.

It is an interprime number because it is at equal distance from previous prime (11219899391) and next prime (11219899393).

It is a super-2 number, since 2×11219899392² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11219899391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8505709 + ... + 8507027.

It is an arithmetic number, because the mean of its divisors is an integer number (134119440).

Almost surely, 2^11219899392 is an apocalyptic number.

11219899392 is a gapful number since it is divisible by the number (12) 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 11219899392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17703766080).

11219899392 is an abundant number, since it is smaller than the sum of its proper divisors (24187632768).

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

11219899392 is a wasteful number, since it uses less digits than its factorization.

11219899392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429 (or 1408 counting only the distinct ones).

The product of its digits is 629856, while the sum is 54.

The spelling of 11219899392 in words is "eleven billion, two hundred nineteen million, eight hundred ninety-nine thousand, three hundred ninety-two".