1183120836473 has 2 divisors, whose sum is σ = 1183120836474. Its totient is φ = 1183120836472.

The previous prime is 1183120836461. The next prime is 1183120836511. The reversal of 1183120836473 is 3746380213811.

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., 823824891904 + 359295944569 = 907648^2 + 599413^2 .

It is an emirp because it is prime and its reverse (3746380213811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1183120836473 is a prime.

It is not a weakly prime, because it can be changed into another prime (1183120835473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591560418236 + 591560418237.

It is an arithmetic number, because the mean of its divisors is an integer number (591560418237).

Almost surely, 2^{1183120836473} is an apocalyptic number.

It is an amenable number.

1183120836473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1183120836473 is an equidigital number, since it uses as much as digits as its factorization.

1183120836473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 1183120836473 in words is "one trillion, one hundred eighty-three billion, one hundred twenty million, eight hundred thirty-six thousand, four hundred seventy-three".