11212350461 has 6 divisors (see below), whose sum is σ = 12141184410. Its totient is φ = 10349861808.

The previous prime is 11212350451. The next prime is 11212350517. The reversal of 11212350461 is 16405321211.

It can be written as a sum of positive squares in 3 ways, for example, as 658897561 + 10553452900 = 25669^2 + 102730^2 .

It is not a de Polignac number, because 11212350461 - 2¹⁸ = 11212088317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11212350461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212350451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33172466 + ... + 33172803.

It is an arithmetic number, because the mean of its divisors is an integer number (2023530735).

Almost surely, 2^11212350461 is an apocalyptic number.

It is an amenable number.

11212350461 is a deficient number, since it is larger than the sum of its proper divisors (928833949).

11212350461 is an equidigital number, since it uses as much as digits as its factorization.

11212350461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66345295 (or 66345282 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 11212350461 its reverse (16405321211), we get a palindrome (27617671672).

The spelling of 11212350461 in words is "eleven billion, two hundred twelve million, three hundred fifty thousand, four hundred sixty-one".