11540257242 has 32 divisors (see below), whose sum is σ = 23226046272. Its totient is φ = 3822545664.

The previous prime is 11540257229. The next prime is 11540257243. The reversal of 11540257242 is 24275204511.

It is not an unprimeable number, because it can be changed into a prime (11540257243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1038178 + ... + 1049234.

It is an arithmetic number, because the mean of its divisors is an integer number (725813946).

Almost surely, 2^11540257242 is an apocalyptic number.

11540257242 is an abundant number, since it is smaller than the sum of its proper divisors (11685789030).

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

11540257242 is a wasteful number, since it uses less digits than its factorization.

11540257242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12142.

The product of its (nonzero) digits is 22400, while the sum is 33.

The spelling of 11540257242 in words is "eleven billion, five hundred forty million, two hundred fifty-seven thousand, two hundred forty-two".