11231354542 has 8 divisors (see below), whose sum is σ = 16847532936. Its totient is φ = 5615510232.

The previous prime is 11231354539. The next prime is 11231354569. The reversal of 11231354542 is 24545313211.

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

It is a super-2 number, since 2×11231354542² (a number of 21 digits) contains 22 as substring.

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, 33088 + ... + 153484.

It is an arithmetic number, because the mean of its divisors is an integer number (2105941617).

Almost surely, 2^11231354542 is an apocalyptic number.

11231354542 is a deficient number, since it is larger than the sum of its proper divisors (5616178394).

11231354542 is a wasteful number, since it uses less digits than its factorization.

11231354542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167042.

The product of its digits is 14400, while the sum is 31.

Adding to 11231354542 its reverse (24545313211), we get a palindrome (35776667753).

The spelling of 11231354542 in words is "eleven billion, two hundred thirty-one million, three hundred fifty-four thousand, five hundred forty-two".