11005805032723 has 2 divisors, whose sum is σ = 11005805032724. Its totient is φ = 11005805032722.

The previous prime is 11005805032711. The next prime is 11005805032741. The reversal of 11005805032723 is 32723050850011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11005805032723 - 2²¹ = 11005802935571 is a prime.

It is a super-2 number, since 2×11005805032723² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11005805032763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5502902516361 + 5502902516362.

It is an arithmetic number, because the mean of its divisors is an integer number (5502902516362).

Almost surely, 2^{11005805032723} is an apocalyptic number.

11005805032723 is a deficient number, since it is larger than the sum of its proper divisors (1).

11005805032723 is an equidigital number, since it uses as much as digits as its factorization.

11005805032723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 37.

Adding to 11005805032723 its reverse (32723050850011), we get a palindrome (43728855882734).

The spelling of 11005805032723 in words is "eleven trillion, five billion, eight hundred five million, thirty-two thousand, seven hundred twenty-three".