11122372480 has 64 divisors (see below), whose sum is σ = 26617618080. Its totient is φ = 4444231680.

The previous prime is 11122372463. The next prime is 11122372543. The reversal of 11122372480 is 8427322111.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×11122372480² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629365 + ... + 646795.

Almost surely, 2^11122372480 is an apocalyptic number.

11122372480 is a gapful number since it is divisible by the number (10) 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 11122372480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13308809040).

11122372480 is an abundant number, since it is smaller than the sum of its proper divisors (15495245600).

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

11122372480 is an equidigital number, since it uses as much as digits as its factorization.

11122372480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18447 (or 18435 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

Adding to 11122372480 its reverse (8427322111), we get a palindrome (19549694591).

The spelling of 11122372480 in words is "eleven billion, one hundred twenty-two million, three hundred seventy-two thousand, four hundred eighty".