40605125101 has 2 divisors, whose sum is σ = 40605125102. Its totient is φ = 40605125100.

The previous prime is 40605125069. The next prime is 40605125123. The reversal of 40605125101 is 10152150604.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33939219076 + 6665906025 = 184226^2 + 81645^2 .

It is a cyclic number.

It is not a de Polignac number, because 40605125101 - 2⁵ = 40605125069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40605125401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20302562550 + 20302562551.

It is an arithmetic number, because the mean of its divisors is an integer number (20302562551).

Almost surely, 2^40605125101 is an apocalyptic number.

It is an amenable number.

40605125101 is a deficient number, since it is larger than the sum of its proper divisors (1).

40605125101 is an equidigital number, since it uses as much as digits as its factorization.

40605125101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 40605125101 its reverse (10152150604), we get a palindrome (50757275705).

The spelling of 40605125101 in words is "forty billion, six hundred five million, one hundred twenty-five thousand, one hundred one".