11123314040 has 32 divisors (see below), whose sum is σ = 25099200000. Its totient is φ = 4436571264.

The previous prime is 11123314019. The next prime is 11123314061. The reversal of 11123314040 is 4041332111.

It is an interprime number because it is at equal distance from previous prime (11123314019) and next prime (11123314061).

It is a super-2 number, since 2×11123314040² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 384440 + ... + 412359.

It is an arithmetic number, because the mean of its divisors is an integer number (784350000).

Almost surely, 2^11123314040 is an apocalyptic number.

11123314040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11123314040 is an abundant number, since it is smaller than the sum of its proper divisors (13975885960).

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

11123314040 is a wasteful number, since it uses less digits than its factorization.

11123314040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797159 (or 797155 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11123314040 its reverse (4041332111), we get a palindrome (15164646151).

The spelling of 11123314040 in words is "eleven billion, one hundred twenty-three million, three hundred fourteen thousand, forty".