1554550331141 has 2 divisors, whose sum is σ = 1554550331142. Its totient is φ = 1554550331140.

The previous prime is 1554550331071. The next prime is 1554550331153. The reversal of 1554550331141 is 1411330554551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1389345477025 + 165204854116 = 1178705^2 + 406454^2 .

It is a cyclic number.

It is not a de Polignac number, because 1554550331141 - 2³⁸ = 1279672424197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1554550331095 and 1554550331104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1554550331171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777275165570 + 777275165571.

It is an arithmetic number, because the mean of its divisors is an integer number (777275165571).

Almost surely, 2^{1554550331141} is an apocalyptic number.

It is an amenable number.

1554550331141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1554550331141 is an equidigital number, since it uses as much as digits as its factorization.

1554550331141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90000, while the sum is 38.

Adding to 1554550331141 its reverse (1411330554551), we get a palindrome (2965880885692).

The spelling of 1554550331141 in words is "one trillion, five hundred fifty-four billion, five hundred fifty million, three hundred thirty-one thousand, one hundred forty-one".