11112201461 has 2 divisors, whose sum is σ = 11112201462. Its totient is φ = 11112201460.

The previous prime is 11112201437. The next prime is 11112201479. The reversal of 11112201461 is 16410221111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8584022500 + 2528178961 = 92650^2 + 50281^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11112201461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112231461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556100730 + 5556100731.

It is an arithmetic number, because the mean of its divisors is an integer number (5556100731).

Almost surely, 2^11112201461 is an apocalyptic number.

It is an amenable number.

11112201461 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112201461 is an equidigital number, since it uses as much as digits as its factorization.

11112201461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 11112201461 its reverse (16410221111), we get a palindrome (27522422572).

The spelling of 11112201461 in words is "eleven billion, one hundred twelve million, two hundred one thousand, four hundred sixty-one".