1152721704577 has 2 divisors, whose sum is σ = 1152721704578. Its totient is φ = 1152721704576.

The previous prime is 1152721704551. The next prime is 1152721704583. The reversal of 1152721704577 is 7754071272511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 940349120656 + 212372583921 = 969716^2 + 460839^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152721704577 - 2²³ = 1152713315969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1152721704577.

It is not a weakly prime, because it can be changed into another prime (1152721704527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576360852288 + 576360852289.

It is an arithmetic number, because the mean of its divisors is an integer number (576360852289).

Almost surely, 2^{1152721704577} is an apocalyptic number.

It is an amenable number.

1152721704577 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152721704577 is an equidigital number, since it uses as much as digits as its factorization.

1152721704577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960400, while the sum is 49.

The spelling of 1152721704577 in words is "one trillion, one hundred fifty-two billion, seven hundred twenty-one million, seven hundred four thousand, five hundred seventy-seven".