11452057709 has 2 divisors, whose sum is σ = 11452057710. Its totient is φ = 11452057708.

The previous prime is 11452057703. The next prime is 11452057759. The reversal of 11452057709 is 90775025411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11252542084 + 199515625 = 106078^2 + 14125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11452057709 is a prime.

It is a super-2 number, since 2×11452057709² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11452057703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5726028854 + 5726028855.

It is an arithmetic number, because the mean of its divisors is an integer number (5726028855).

Almost surely, 2^11452057709 is an apocalyptic number.

It is an amenable number.

11452057709 is a deficient number, since it is larger than the sum of its proper divisors (1).

11452057709 is an equidigital number, since it uses as much as digits as its factorization.

11452057709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 41.

The spelling of 11452057709 in words is "eleven billion, four hundred fifty-two million, fifty-seven thousand, seven hundred nine".