1154532250541 has 2 divisors, whose sum is σ = 1154532250542. Its totient is φ = 1154532250540.

The previous prime is 1154532250517. The next prime is 1154532250559. The reversal of 1154532250541 is 1450522354511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 584475540100 + 570056710441 = 764510^2 + 755021^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154532250541 - 2³⁸ = 879654343597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1154532250495 and 1154532250504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1154532250561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577266125270 + 577266125271.

It is an arithmetic number, because the mean of its divisors is an integer number (577266125271).

Almost surely, 2^{1154532250541} is an apocalyptic number.

It is an amenable number.

1154532250541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154532250541 is an equidigital number, since it uses as much as digits as its factorization.

1154532250541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 1154532250541 in words is "one trillion, one hundred fifty-four billion, five hundred thirty-two million, two hundred fifty thousand, five hundred forty-one".