1154532250489 has 2 divisors, whose sum is σ = 1154532250490. Its totient is φ = 1154532250488.

The previous prime is 1154532250457. The next prime is 1154532250493. The reversal of 1154532250489 is 9840522354511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1056099462889 + 98432787600 = 1027667^2 + 313740^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154532250489 - 2⁵ = 1154532250457 is a prime.

It is not a weakly prime, because it can be changed into another prime (1154532250439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577266125244 + 577266125245.

It is an arithmetic number, because the mean of its divisors is an integer number (577266125245).

Almost surely, 2^{1154532250489} is an apocalyptic number.

It is an amenable number.

1154532250489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154532250489 is an equidigital number, since it uses as much as digits as its factorization.

1154532250489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 1154532250489 in words is "one trillion, one hundred fifty-four billion, five hundred thirty-two million, two hundred fifty thousand, four hundred eighty-nine".