42532551541 has 2 divisors, whose sum is σ = 42532551542. Its totient is φ = 42532551540.

The previous prime is 42532551511. The next prime is 42532551553. The reversal of 42532551541 is 14515523524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30190452516 + 12342099025 = 173754^2 + 111095^2 .

It is a cyclic number.

It is not a de Polignac number, because 42532551541 - 2²¹ = 42530454389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42532551541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42532551511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21266275770 + 21266275771.

It is an arithmetic number, because the mean of its divisors is an integer number (21266275771).

Almost surely, 2^42532551541 is an apocalyptic number.

It is an amenable number.

42532551541 is a deficient number, since it is larger than the sum of its proper divisors (1).

42532551541 is an equidigital number, since it uses as much as digits as its factorization.

42532551541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120000, while the sum is 37.

The spelling of 42532551541 in words is "forty-two billion, five hundred thirty-two million, five hundred fifty-one thousand, five hundred forty-one".