1553714883361 has 3 divisors (see below), whose sum is σ = 1553716129843. Its totient is φ = 1553713636880.

The previous prime is 1553714883353. The next prime is 1553714883379. The reversal of 1553714883361 is 1633884173551.

The square root of 1553714883361 is 1246481.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1377146843361 + 176568040000 = 1173519^2 + 420200^2 .

It is not a de Polignac number, because 1553714883361 - 2³ = 1553714883353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1553714863361) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 623241 + ... + 1869721.

Almost surely, 2^{1553714883361} is an apocalyptic number.

1553714883361 is the 1246481-st square number.

1553714883361 is the 623241-st centered octagonal number.

It is an amenable number.

1553714883361 is a deficient number, since it is larger than the sum of its proper divisors (1246482).

1553714883361 is an frugal number, since it uses more digits than its factorization.

1553714883361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492962 (or 1246481 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 55.

The spelling of 1553714883361 in words is "one trillion, five hundred fifty-three billion, seven hundred fourteen million, eight hundred eighty-three thousand, three hundred sixty-one".