40425561565127 has 2 divisors, whose sum is σ = 40425561565128. Its totient is φ = 40425561565126.

The previous prime is 40425561565079. The next prime is 40425561565157. The reversal of 40425561565127 is 72156516552404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40425561565127 - 2¹⁶ = 40425561499591 is a prime.

It is a super-2 number, since 2×40425561565127² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40425561565157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20212780782563 + 20212780782564.

It is an arithmetic number, because the mean of its divisors is an integer number (20212780782564).

Almost surely, 2^{40425561565127} is an apocalyptic number.

40425561565127 is a deficient number, since it is larger than the sum of its proper divisors (1).

40425561565127 is an equidigital number, since it uses as much as digits as its factorization.

40425561565127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080000, while the sum is 53.

The spelling of 40425561565127 in words is "forty trillion, four hundred twenty-five billion, five hundred sixty-one million, five hundred sixty-five thousand, one hundred twenty-seven".