42151272640157 has 2 divisors, whose sum is σ = 42151272640158. Its totient is φ = 42151272640156.

The previous prime is 42151272640133. The next prime is 42151272640187. The reversal of 42151272640157 is 75104627215124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42035850052036 + 115422588121 = 6483506^2 + 339739^2 .

It is a cyclic number.

It is not a de Polignac number, because 42151272640157 - 2⁶ = 42151272640093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42151272640187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21075636320078 + 21075636320079.

It is an arithmetic number, because the mean of its divisors is an integer number (21075636320079).

Almost surely, 2^{42151272640157} is an apocalyptic number.

It is an amenable number.

42151272640157 is a deficient number, since it is larger than the sum of its proper divisors (1).

42151272640157 is an equidigital number, since it uses as much as digits as its factorization.

42151272640157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 42151272640157 in words is "forty-two trillion, one hundred fifty-one billion, two hundred seventy-two million, six hundred forty thousand, one hundred fifty-seven".