40204252511 has 2 divisors, whose sum is σ = 40204252512. Its totient is φ = 40204252510.

The previous prime is 40204252507. The next prime is 40204252523. The reversal of 40204252511 is 11525240204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40204252511 - 2² = 40204252507 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40204252591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20102126255 + 20102126256.

It is an arithmetic number, because the mean of its divisors is an integer number (20102126256).

Almost surely, 2^40204252511 is an apocalyptic number.

40204252511 is a deficient number, since it is larger than the sum of its proper divisors (1).

40204252511 is an equidigital number, since it uses as much as digits as its factorization.

40204252511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 40204252511 its reverse (11525240204), we get a palindrome (51729492715).

The spelling of 40204252511 in words is "forty billion, two hundred four million, two hundred fifty-two thousand, five hundred eleven".