11120431120 has 40 divisors (see below), whose sum is σ = 25955653464. Its totient is φ = 4430856192.

The previous prime is 11120431117. The next prime is 11120431121. The reversal of 11120431120 is 2113402111.

It can be written as a sum of positive squares in 4 ways, for example, as 2365460496 + 8754970624 = 48636^2 + 93568^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 11120431094 and 11120431103.

It is not an unprimeable number, because it can be changed into a prime (11120431121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249879 + ... + 290998.

Almost surely, 2^11120431120 is an apocalyptic number.

11120431120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11120431120 is an abundant number, since it is smaller than the sum of its proper divisors (14835222344).

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

11120431120 is a wasteful number, since it uses less digits than its factorization.

11120431120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541147 (or 541141 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11120431120 its reverse (2113402111), we get a palindrome (13233833231).

The spelling of 11120431120 in words is "eleven billion, one hundred twenty million, four hundred thirty-one thousand, one hundred twenty".