4531123551442 has 16 divisors (see below), whose sum is σ = 7234792192800. Its totient is φ = 2122205706720.

The previous prime is 4531123551413. The next prime is 4531123551463. The reversal of 4531123551442 is 2441553211354.

It is a junction number, because it is equal to n+sod(n) for n = 4531123551395 and 4531123551404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669884784 + ... + 669891547.

It is an arithmetic number, because the mean of its divisors is an integer number (452174512050).

Almost surely, 2^{4531123551442} is an apocalyptic number.

4531123551442 is a deficient number, since it is larger than the sum of its proper divisors (2703668641358).

4531123551442 is a wasteful number, since it uses less digits than its factorization.

4531123551442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339776441.

The product of its digits is 288000, while the sum is 40.

Adding to 4531123551442 its reverse (2441553211354), we get a palindrome (6972676762796).

The spelling of 4531123551442 in words is "four trillion, five hundred thirty-one billion, one hundred twenty-three million, five hundred fifty-one thousand, four hundred forty-two".