11312340542 has 8 divisors (see below), whose sum is σ = 16975866600. Its totient is φ = 5653718344.

The previous prime is 11312340509. The next prime is 11312340551. The reversal of 11312340542 is 24504321311.

It is a happy number.

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

It is a congruent 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, 1220192 + ... + 1229427.

It is an arithmetic number, because the mean of its divisors is an integer number (2121983325).

Almost surely, 2^11312340542 is an apocalyptic number.

11312340542 is a deficient number, since it is larger than the sum of its proper divisors (5663526058).

11312340542 is a wasteful number, since it uses less digits than its factorization.

11312340542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451930.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 11312340542 its reverse (24504321311), we get a palindrome (35816661853).

The spelling of 11312340542 in words is "eleven billion, three hundred twelve million, three hundred forty thousand, five hundred forty-two".