1119543541 has 2 divisors, whose sum is σ = 1119543542. Its totient is φ = 1119543540.

The previous prime is 1119543527. The next prime is 1119543559. The reversal of 1119543541 is 1453459111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 885300516 + 234243025 = 29754^2 + 15305^2 .

It is a cyclic number.

It is not a de Polignac number, because 1119543541 - 2⁷ = 1119543413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1119543497 and 1119543506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1119544541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559771770 + 559771771.

It is an arithmetic number, because the mean of its divisors is an integer number (559771771).

Almost surely, 2^1119543541 is an apocalyptic number.

It is an amenable number.

1119543541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1119543541 is an equidigital number, since it uses as much as digits as its factorization.

1119543541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 34.

The square root of 1119543541 is about 33459.5807056813. The cubic root of 1119543541 is about 1038.3577202079.

The spelling of 1119543541 in words is "one billion, one hundred nineteen million, five hundred forty-three thousand, five hundred forty-one".