1147797658541 has 2 divisors, whose sum is σ = 1147797658542. Its totient is φ = 1147797658540.

The previous prime is 1147797658537. The next prime is 1147797658571. The reversal of 1147797658541 is 1458567977411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1065789881641 + 82007776900 = 1032371^2 + 286370^2 .

It is an emirp because it is prime and its reverse (1458567977411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1147797658541 - 2² = 1147797658537 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1147797658531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573898829270 + 573898829271.

It is an arithmetic number, because the mean of its divisors is an integer number (573898829271).

Almost surely, 2^{1147797658541} is an apocalyptic number.

It is an amenable number.

1147797658541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147797658541 is an equidigital number, since it uses as much as digits as its factorization.

1147797658541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59270400, while the sum is 65.

The spelling of 1147797658541 in words is "one trillion, one hundred forty-seven billion, seven hundred ninety-seven million, six hundred fifty-eight thousand, five hundred forty-one".