112402761281 has 2 divisors, whose sum is σ = 112402761282. Its totient is φ = 112402761280.

The previous prime is 112402761253. The next prime is 112402761307. The reversal of 112402761281 is 182167204211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99629240881 + 12773520400 = 315641^2 + 113020^2 .

It is an emirp because it is prime and its reverse (182167204211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112402761281 - 2¹⁸ = 112402499137 is a prime.

It is a super-4 number, since 4×112402761281⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (112402761221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56201380640 + 56201380641.

It is an arithmetic number, because the mean of its divisors is an integer number (56201380641).

Almost surely, 2^112402761281 is an apocalyptic number.

It is an amenable number.

112402761281 is a deficient number, since it is larger than the sum of its proper divisors (1).

112402761281 is an equidigital number, since it uses as much as digits as its factorization.

112402761281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 35.

Adding to 112402761281 its reverse (182167204211), we get a palindrome (294569965492).

The spelling of 112402761281 in words is "one hundred twelve billion, four hundred two million, seven hundred sixty-one thousand, two hundred eighty-one".