40502551421611 has 2 divisors, whose sum is σ = 40502551421612. Its totient is φ = 40502551421610.

The previous prime is 40502551421609. The next prime is 40502551421671. The reversal of 40502551421611 is 11612415520504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40502551421611 - 2¹ = 40502551421609 is a prime.

Together with 40502551421609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40502551421671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20251275710805 + 20251275710806.

It is an arithmetic number, because the mean of its divisors is an integer number (20251275710806).

Almost surely, 2^{40502551421611} is an apocalyptic number.

40502551421611 is a deficient number, since it is larger than the sum of its proper divisors (1).

40502551421611 is an equidigital number, since it uses as much as digits as its factorization.

40502551421611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48000, while the sum is 37.

The spelling of 40502551421611 in words is "forty trillion, five hundred two billion, five hundred fifty-one million, four hundred twenty-one thousand, six hundred eleven".