11542422040 has 32 divisors (see below), whose sum is σ = 26017976880. Its totient is φ = 4608519552.

The previous prime is 11542422029. The next prime is 11542422071. The reversal of 11542422040 is 4022424511.

It is a junction number, because it is equal to n+sod(n) for n = 11542421996 and 11542422014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241887 + ... + 285646.

Almost surely, 2^11542422040 is an apocalyptic number.

11542422040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11542422040 is an abundant number, since it is smaller than the sum of its proper divisors (14475554840).

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

11542422040 is a wasteful number, since it uses less digits than its factorization.

11542422040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528091 (or 528087 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 11542422040 its reverse (4022424511), we get a palindrome (15564846551).

The spelling of 11542422040 in words is "eleven billion, five hundred forty-two million, four hundred twenty-two thousand, forty".