112640140111 has 4 divisors (see below), whose sum is σ = 112640822424. Its totient is φ = 112639457800.

The previous prime is 112640140061. The next prime is 112640140153. The reversal of 112640140111 is 111041046211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 111041046211 = 326873 ⋅339707.

It is a cyclic number.

It is not a de Polignac number, because 112640140111 - 2¹⁵ = 112640107343 is a prime.

It is a super-2 number, since 2×112640140111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112640141111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78756 + ... + 481126.

It is an arithmetic number, because the mean of its divisors is an integer number (28160205606).

Almost surely, 2^112640140111 is an apocalyptic number.

112640140111 is a deficient number, since it is larger than the sum of its proper divisors (682313).

112640140111 is an equidigital number, since it uses as much as digits as its factorization.

112640140111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682312.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 112640140111 its reverse (111041046211), we get a palindrome (223681186322).

The spelling of 112640140111 in words is "one hundred twelve billion, six hundred forty million, one hundred forty thousand, one hundred eleven".