40455114121 has 2 divisors, whose sum is σ = 40455114122. Its totient is φ = 40455114120.

The previous prime is 40455114109. The next prime is 40455114137. The reversal of 40455114121 is 12141155404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23668284025 + 16786830096 = 153845^2 + 129564^2 .

It is a cyclic number.

It is not a de Polignac number, because 40455114121 - 2³⁵ = 6095375753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40455114121.

It is not a weakly prime, because it can be changed into another prime (40455114221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20227557060 + 20227557061.

It is an arithmetic number, because the mean of its divisors is an integer number (20227557061).

Almost surely, 2^40455114121 is an apocalyptic number.

It is an amenable number.

40455114121 is a deficient number, since it is larger than the sum of its proper divisors (1).

40455114121 is an equidigital number, since it uses as much as digits as its factorization.

40455114121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 40455114121 its reverse (12141155404), we get a palindrome (52596269525).

The spelling of 40455114121 in words is "forty billion, four hundred fifty-five million, one hundred fourteen thousand, one hundred twenty-one".