11577065473 has 2 divisors, whose sum is σ = 11577065474. Its totient is φ = 11577065472.

The previous prime is 11577065449. The next prime is 11577065509. The reversal of 11577065473 is 37456077511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11527672689 + 49392784 = 107367^2 + 7028^2 .

It is a cyclic number.

It is not a de Polignac number, because 11577065473 - 2¹³ = 11577057281 is a prime.

It is a super-2 number, since 2×11577065473² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11577063473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5788532736 + 5788532737.

It is an arithmetic number, because the mean of its divisors is an integer number (5788532737).

It is a Proth number, since it is equal to 44163 ⋅ 2¹⁸ + 1 and 44163 < 2¹⁸.

Almost surely, 2^11577065473 is an apocalyptic number.

It is an amenable number.

11577065473 is a deficient number, since it is larger than the sum of its proper divisors (1).

11577065473 is an equidigital number, since it uses as much as digits as its factorization.

11577065473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 617400, while the sum is 46.

The spelling of 11577065473 in words is "eleven billion, five hundred seventy-seven million, sixty-five thousand, four hundred seventy-three".