11540331042 has 8 divisors (see below), whose sum is σ = 23080662096. Its totient is φ = 3846777012.

The previous prime is 11540331037. The next prime is 11540331053. The reversal of 11540331042 is 24013304511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

11540331042 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961694248 + ... + 961694259.

It is an arithmetic number, because the mean of its divisors is an integer number (2885082762).

Almost surely, 2^11540331042 is an apocalyptic number.

11540331042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11540331042 is a wasteful number, since it uses less digits than its factorization.

11540331042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923388512.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 11540331042 its reverse (24013304511), we get a palindrome (35553635553).

The spelling of 11540331042 in words is "eleven billion, five hundred forty million, three hundred thirty-one thousand, forty-two".