11030421372 has 72 divisors (see below), whose sum is σ = 27409549440. Its totient is φ = 3451810560.

The previous prime is 11030421359. The next prime is 11030421383. The reversal of 11030421372 is 27312403011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1449297 + ... + 1456887.

Almost surely, 2^11030421372 is an apocalyptic number.

11030421372 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 11030421372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13704774720).

11030421372 is an abundant number, since it is smaller than the sum of its proper divisors (16379128068).

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

11030421372 is a wasteful number, since it uses less digits than its factorization.

11030421372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8051 (or 8032 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 11030421372 its reverse (27312403011), we get a palindrome (38342824383).

The spelling of 11030421372 in words is "eleven billion, thirty million, four hundred twenty-one thousand, three hundred seventy-two".