11431254542 has 8 divisors (see below), whose sum is σ = 17249558256. Its totient is φ = 5681401792.

The previous prime is 11431254511. The next prime is 11431254577. The reversal of 11431254542 is 24545213411.

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

It is a junction number, because it is equal to n+sod(n) for n = 11431254499 and 11431254508.

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, 17112323 + ... + 17112990.

It is an arithmetic number, because the mean of its divisors is an integer number (2156194782).

Almost surely, 2^11431254542 is an apocalyptic number.

11431254542 is a deficient number, since it is larger than the sum of its proper divisors (5818303714).

11431254542 is a wasteful number, since it uses less digits than its factorization.

11431254542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34225482.

The product of its digits is 19200, while the sum is 32.

Adding to 11431254542 its reverse (24545213411), we get a palindrome (35976467953).

The spelling of 11431254542 in words is "eleven billion, four hundred thirty-one million, two hundred fifty-four thousand, five hundred forty-two".