40111166122 has 4 divisors (see below), whose sum is σ = 60166749186. Its totient is φ = 20055583060.

The previous prime is 40111166083. The next prime is 40111166141. The reversal of 40111166122 is 22166111104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26021238721 + 14089927401 = 161311^2 + 118701^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10027791529 + ... + 10027791532.

Almost surely, 2^40111166122 is an apocalyptic number.

40111166122 is a deficient number, since it is larger than the sum of its proper divisors (20055583064).

40111166122 is a wasteful number, since it uses less digits than its factorization.

40111166122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20055583063.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 40111166122 its reverse (22166111104), we get a palindrome (62277277226).

The spelling of 40111166122 in words is "forty billion, one hundred eleven million, one hundred sixty-six thousand, one hundred twenty-two".