1553154051343 has 2 divisors, whose sum is σ = 1553154051344. Its totient is φ = 1553154051342.

The previous prime is 1553154051233. The next prime is 1553154051353. The reversal of 1553154051343 is 3431504513551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1553154051343 - 2²⁵ = 1553120496911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1553154051296 and 1553154051305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1553154051353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776577025671 + 776577025672.

It is an arithmetic number, because the mean of its divisors is an integer number (776577025672).

Almost surely, 2^{1553154051343} is an apocalyptic number.

1553154051343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553154051343 is an equidigital number, since it uses as much as digits as its factorization.

1553154051343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270000, while the sum is 40.

Adding to 1553154051343 its reverse (3431504513551), we get a palindrome (4984658564894).

The spelling of 1553154051343 in words is "one trillion, five hundred fifty-three billion, one hundred fifty-four million, fifty-one thousand, three hundred forty-three".