11249572073 has 2 divisors, whose sum is σ = 11249572074. Its totient is φ = 11249572072.

The previous prime is 11249572063. The next prime is 11249572097. The reversal of 11249572073 is 37027594211.

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., 8340803584 + 2908768489 = 91328^2 + 53933^2 .

It is an emirp because it is prime and its reverse (37027594211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11249572073 - 2⁴ = 11249572057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11249572073.

It is not a weakly prime, because it can be changed into another prime (11249572043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5624786036 + 5624786037.

It is an arithmetic number, because the mean of its divisors is an integer number (5624786037).

Almost surely, 2^11249572073 is an apocalyptic number.

It is an amenable number.

11249572073 is a deficient number, since it is larger than the sum of its proper divisors (1).

11249572073 is an equidigital number, since it uses as much as digits as its factorization.

11249572073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 11249572073 in words is "eleven billion, two hundred forty-nine million, five hundred seventy-two thousand, seventy-three".