42005661151 has 2 divisors, whose sum is σ = 42005661152. Its totient is φ = 42005661150.

The previous prime is 42005661133. The next prime is 42005661227. The reversal of 42005661151 is 15116650024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42005661151 - 2²³ = 41997272543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42005661121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21002830575 + 21002830576.

It is an arithmetic number, because the mean of its divisors is an integer number (21002830576).

Almost surely, 2^42005661151 is an apocalyptic number.

42005661151 is a deficient number, since it is larger than the sum of its proper divisors (1).

42005661151 is an equidigital number, since it uses as much as digits as its factorization.

42005661151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 42005661151 in words is "forty-two billion, five million, six hundred sixty-one thousand, one hundred fifty-one".