16115061541 has 2 divisors, whose sum is σ = 16115061542. Its totient is φ = 16115061540.

The previous prime is 16115061497. The next prime is 16115061551. The reversal of 16115061541 is 14516051161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12599164516 + 3515897025 = 112246^2 + 59295^2 .

It is a cyclic number.

It is not a de Polignac number, because 16115061541 - 2²¹ = 16112964389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16115061551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8057530770 + 8057530771.

It is an arithmetic number, because the mean of its divisors is an integer number (8057530771).

Almost surely, 2^16115061541 is an apocalyptic number.

It is an amenable number.

16115061541 is a deficient number, since it is larger than the sum of its proper divisors (1).

16115061541 is an equidigital number, since it uses as much as digits as its factorization.

16115061541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 31.

The spelling of 16115061541 in words is "sixteen billion, one hundred fifteen million, sixty-one thousand, five hundred forty-one".