321411145542 has 16 divisors (see below), whose sum is σ = 643139445312. Its totient is φ = 107084189480.

The previous prime is 321411145511. The next prime is 321411145543. The reversal of 321411145542 is 245541114123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321411145543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13201584 + ... + 13225907.

It is an arithmetic number, because the mean of its divisors is an integer number (40196215332).

Almost surely, 2^321411145542 is an apocalyptic number.

321411145542 is an abundant number, since it is smaller than the sum of its proper divisors (321728299770).

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

321411145542 is a wasteful number, since it uses less digits than its factorization.

321411145542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26429523.

The product of its digits is 19200, while the sum is 33.

Adding to 321411145542 its reverse (245541114123), we get a palindrome (566952259665).

The spelling of 321411145542 in words is "three hundred twenty-one billion, four hundred eleven million, one hundred forty-five thousand, five hundred forty-two".