1553543412322 has 16 divisors (see below), whose sum is σ = 2542300450272. Its totient is φ = 706117623520.

The previous prime is 1553543412271. The next prime is 1553543412329. The reversal of 1553543412322 is 2232143453551.

It is not an unprimeable number, because it can be changed into a prime (1553543412329) 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, 1508683 + ... + 2320174.

It is an arithmetic number, because the mean of its divisors is an integer number (158893778142).

Almost surely, 2^{1553543412322} is an apocalyptic number.

1553543412322 is a deficient number, since it is larger than the sum of its proper divisors (988757037950).

1553543412322 is a wasteful number, since it uses less digits than its factorization.

1553543412322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3847313.

The product of its digits is 432000, while the sum is 40.

Adding to 1553543412322 its reverse (2232143453551), we get a palindrome (3785686865873).

The spelling of 1553543412322 in words is "one trillion, five hundred fifty-three billion, five hundred forty-three million, four hundred twelve thousand, three hundred twenty-two".