40325515523129 has 2 divisors, whose sum is σ = 40325515523130. Its totient is φ = 40325515523128.

The previous prime is 40325515523101. The next prime is 40325515523261. The reversal of 40325515523129 is 92132551552304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40320620421904 + 4895101225 = 6349852^2 + 69965^2 .

It is a cyclic number.

It is not a de Polignac number, because 40325515523129 - 2¹² = 40325515519033 is a prime.

It is a super-2 number, since 2×40325515523129² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40325517523129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20162757761564 + 20162757761565.

It is an arithmetic number, because the mean of its divisors is an integer number (20162757761565).

Almost surely, 2^{40325515523129} is an apocalyptic number.

It is an amenable number.

40325515523129 is a deficient number, since it is larger than the sum of its proper divisors (1).

40325515523129 is an equidigital number, since it uses as much as digits as its factorization.

40325515523129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 40325515523129 in words is "forty trillion, three hundred twenty-five billion, five hundred fifteen million, five hundred twenty-three thousand, one hundred twenty-nine".