1541055779 has 2 divisors, whose sum is σ = 1541055780. Its totient is φ = 1541055778.

The previous prime is 1541055757. The next prime is 1541055827. The reversal of 1541055779 is 9775501451.

It is a weak prime.

It is an emirp because it is prime and its reverse (9775501451) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1541055779 is a prime.

It is not a weakly prime, because it can be changed into another prime (1541055739) 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, 770527889 + 770527890.

It is an arithmetic number, because the mean of its divisors is an integer number (770527890).

Almost surely, 2^1541055779 is an apocalyptic number.

1541055779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541055779 is an equidigital number, since it uses as much as digits as its factorization.

1541055779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 220500, while the sum is 44.

The square root of 1541055779 is about 39256.2833059881. The cubic root of 1541055779 is about 1155.0641891327.

The spelling of 1541055779 in words is "one billion, five hundred forty-one million, fifty-five thousand, seven hundred seventy-nine".