11142455340 has 96 divisors (see below), whose sum is σ = 32878089216. Its totient is φ = 2813958400.

The previous prime is 11142455327. The next prime is 11142455351. The reversal of 11142455340 is 4355424111.

It is a super-2 number, since 2×11142455340² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 11142455298 and 11142455307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99409 + ... + 179351.

It is an arithmetic number, because the mean of its divisors is an integer number (342480096).

Almost surely, 2^11142455340 is an apocalyptic number.

11142455340 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 11142455340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16439044608).

11142455340 is an abundant number, since it is smaller than the sum of its proper divisors (21735633876).

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

11142455340 is a wasteful number, since it uses less digits than its factorization.

11142455340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80079 (or 80077 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 11142455340 its reverse (4355424111), we get a palindrome (15497879451).

The spelling of 11142455340 in words is "eleven billion, one hundred forty-two million, four hundred fifty-five thousand, three hundred forty".