1553113410344 has 8 divisors (see below), whose sum is σ = 2912087644410. Its totient is φ = 776556705168.

The previous prime is 1553113410301. The next prime is 1553113410361. The reversal of 1553113410344 is 4430143113551.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 989169484900 + 563943925444 = 994570^2 + 750962^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1553113410344² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97069588139 + ... + 97069588154.

Almost surely, 2^{1553113410344} is an apocalyptic number.

It is an amenable number.

1553113410344 is a deficient number, since it is larger than the sum of its proper divisors (1358974234066).

1553113410344 is a wasteful number, since it uses less digits than its factorization.

1553113410344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194139176299 (or 194139176295 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 1553113410344 its reverse (4430143113551), we get a palindrome (5983256523895).

The spelling of 1553113410344 in words is "one trillion, five hundred fifty-three billion, one hundred thirteen million, four hundred ten thousand, three hundred forty-four".