16065501551101 has 2 divisors, whose sum is σ = 16065501551102. Its totient is φ = 16065501551100.

The previous prime is 16065501551053. The next prime is 16065501551117. The reversal of 16065501551101 is 10115510556061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14593584224025 + 1471917327076 = 3820155^2 + 1213226^2 .

It is a cyclic number.

It is not a de Polignac number, because 16065501551101 - 2¹⁷ = 16065501420029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16065501551131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8032750775550 + 8032750775551.

It is an arithmetic number, because the mean of its divisors is an integer number (8032750775551).

Almost surely, 2^{16065501551101} is an apocalyptic number.

It is an amenable number.

16065501551101 is a deficient number, since it is larger than the sum of its proper divisors (1).

16065501551101 is an equidigital number, since it uses as much as digits as its factorization.

16065501551101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 37.

The spelling of 16065501551101 in words is "sixteen trillion, sixty-five billion, five hundred one million, five hundred fifty-one thousand, one hundred one".