1151203541 has 2 divisors, whose sum is σ = 1151203542. Its totient is φ = 1151203540.

The previous prime is 1151203481. The next prime is 1151203553. The reversal of 1151203541 is 1453021511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1120843441 + 30360100 = 33479^2 + 5510^2 .

It is an emirp because it is prime and its reverse (1453021511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1151203541 - 2²⁶ = 1084094677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151203561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575601770 + 575601771.

It is an arithmetic number, because the mean of its divisors is an integer number (575601771).

Almost surely, 2^1151203541 is an apocalyptic number.

It is an amenable number.

1151203541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151203541 is an equidigital number, since it uses as much as digits as its factorization.

1151203541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1151203541 is about 33929.3905191355. The cubic root of 1151203541 is about 1048.0549148258.

The spelling of 1151203541 in words is "one billion, one hundred fifty-one million, two hundred three thousand, five hundred forty-one".