112140400181 has 2 divisors, whose sum is σ = 112140400182. Its totient is φ = 112140400180.

The previous prime is 112140400139. The next prime is 112140400231. The reversal of 112140400181 is 181004041211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108329189956 + 3811210225 = 329134^2 + 61735^2 .

It is a cyclic number.

It is not a de Polignac number, because 112140400181 - 2¹⁰ = 112140399157 is a prime.

It is a super-2 number, since 2×112140400181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112140400111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56070200090 + 56070200091.

It is an arithmetic number, because the mean of its divisors is an integer number (56070200091).

Almost surely, 2^112140400181 is an apocalyptic number.

It is an amenable number.

112140400181 is a deficient number, since it is larger than the sum of its proper divisors (1).

112140400181 is an equidigital number, since it uses as much as digits as its factorization.

112140400181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 112140400181 its reverse (181004041211), we get a palindrome (293144441392).

The spelling of 112140400181 in words is "one hundred twelve billion, one hundred forty million, four hundred thousand, one hundred eighty-one".