11112142340 has 48 divisors (see below), whose sum is σ = 25361157360. Its totient is φ = 4065292800.

The previous prime is 11112142313. The next prime is 11112142373. The reversal of 11112142340 is 4324121111.

It can be written as a sum of positive squares in 8 ways, for example, as 454883584 + 10657258756 = 21328^2 + 103234^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167711 + ... + 224390.

It is an arithmetic number, because the mean of its divisors is an integer number (528357445).

Almost surely, 2^11112142340 is an apocalyptic number.

11112142340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112142340 is an abundant number, since it is smaller than the sum of its proper divisors (14249015020).

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

11112142340 is a wasteful number, since it uses less digits than its factorization.

11112142340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392232 (or 392230 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11112142340 its reverse (4324121111), we get a palindrome (15436263451).

The spelling of 11112142340 in words is "eleven billion, one hundred twelve million, one hundred forty-two thousand, three hundred forty".