1074561247541 has 2 divisors, whose sum is σ = 1074561247542. Its totient is φ = 1074561247540.

The previous prime is 1074561247537. The next prime is 1074561247547. The reversal of 1074561247541 is 1457421654701.

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., 964373100625 + 110188146916 = 982025^2 + 331946^2 .

It is a cyclic number.

It is not a de Polignac number, because 1074561247541 - 2² = 1074561247537 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1074561247547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537280623770 + 537280623771.

It is an arithmetic number, because the mean of its divisors is an integer number (537280623771).

Almost surely, 2^{1074561247541} is an apocalyptic number.

It is an amenable number.

1074561247541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1074561247541 is an equidigital number, since it uses as much as digits as its factorization.

1074561247541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 1074561247541 in words is "one trillion, seventy-four billion, five hundred sixty-one million, two hundred forty-seven thousand, five hundred forty-one".