11112018461 has 2 divisors, whose sum is σ = 11112018462. Its totient is φ = 11112018460.

The previous prime is 11112018391. The next prime is 11112018509. The reversal of 11112018461 is 16481021111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10950576025 + 161442436 = 104645^2 + 12706^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112018461 - 2¹⁸ = 11111756317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11112018461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112018061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556009230 + 5556009231.

It is an arithmetic number, because the mean of its divisors is an integer number (5556009231).

Almost surely, 2^11112018461 is an apocalyptic number.

It is an amenable number.

11112018461 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112018461 is an equidigital number, since it uses as much as digits as its factorization.

11112018461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 26.

Adding to 11112018461 its reverse (16481021111), we get a palindrome (27593039572).

The spelling of 11112018461 in words is "eleven billion, one hundred twelve million, eighteen thousand, four hundred sixty-one".