11154430120 has 16 divisors (see below), whose sum is σ = 25097467860. Its totient is φ = 4461772032.

The previous prime is 11154430061. The next prime is 11154430153. The reversal of 11154430120 is 2103445111.

It can be written as a sum of positive squares in 2 ways, for example, as 10862225284 + 292204836 = 104222^2 + 17094^2 .

It is a super-2 number, since 2×11154430120² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11154430091 and 11154430100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139430337 + ... + 139430416.

Almost surely, 2^11154430120 is an apocalyptic number.

11154430120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11154430120 is an abundant number, since it is smaller than the sum of its proper divisors (13943037740).

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

11154430120 is a wasteful number, since it uses less digits than its factorization.

11154430120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278860764 (or 278860760 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 11154430120 its reverse (2103445111), we get a palindrome (13257875231).

The spelling of 11154430120 in words is "eleven billion, one hundred fifty-four million, four hundred thirty thousand, one hundred twenty".