40111440101 has 2 divisors, whose sum is σ = 40111440102. Its totient is φ = 40111440100.

The previous prime is 40111440091. The next prime is 40111440119. The reversal of 40111440101 is 10104411104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23339895076 + 16771545025 = 152774^2 + 129505^2 .

It is a cyclic number.

It is not a de Polignac number, because 40111440101 - 2²⁶ = 40044331237 is a prime.

It is a super-2 number, since 2×40111440101² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40111440101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40111440121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20055720050 + 20055720051.

It is an arithmetic number, because the mean of its divisors is an integer number (20055720051).

Almost surely, 2^40111440101 is an apocalyptic number.

It is an amenable number.

40111440101 is a deficient number, since it is larger than the sum of its proper divisors (1).

40111440101 is an equidigital number, since it uses as much as digits as its factorization.

40111440101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 40111440101 its reverse (10104411104), we get a palindrome (50215851205).

The spelling of 40111440101 in words is "forty billion, one hundred eleven million, four hundred forty thousand, one hundred one".