11211254273 has 2 divisors, whose sum is σ = 11211254274. Its totient is φ = 11211254272.

The previous prime is 11211254237. The next prime is 11211254279. The reversal of 11211254273 is 37245211211.

Together with previous prime (11211254237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11048742769 + 162511504 = 105113^2 + 12748^2 .

It is a cyclic number.

It is not a de Polignac number, because 11211254273 - 2¹⁸ = 11210992129 is a prime.

It is a super-3 number, since 3×11211254273³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11211254279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605627136 + 5605627137.

It is an arithmetic number, because the mean of its divisors is an integer number (5605627137).

Almost surely, 2^11211254273 is an apocalyptic number.

It is an amenable number.

11211254273 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211254273 is an equidigital number, since it uses as much as digits as its factorization.

11211254273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 29.

Adding to 11211254273 its reverse (37245211211), we get a palindrome (48456465484).

The spelling of 11211254273 in words is "eleven billion, two hundred eleven million, two hundred fifty-four thousand, two hundred seventy-three".