1601111005035 has 32 divisors (see below), whose sum is σ = 2700737890560. Its totient is φ = 807743438208.

The previous prime is 1601111005033. The next prime is 1601111005097. The reversal of 1601111005035 is 5305001111061.

It is a happy number.

It is not a de Polignac number, because 1601111005035 - 2¹ = 1601111005033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1601111004996 and 1601111005014.

It is not an unprimeable number, because it can be changed into a prime (1601111005033) 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 in 31 ways as a sum of consecutive naturals, for example, 4115529 + ... + 4487738.

It is an arithmetic number, because the mean of its divisors is an integer number (84398059080).

Almost surely, 2^{1601111005035} is an apocalyptic number.

1601111005035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1601111005035 is a deficient number, since it is larger than the sum of its proper divisors (1099626885525).

1601111005035 is a wasteful number, since it uses less digits than its factorization.

1601111005035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8603947.

The product of its (nonzero) digits is 450, while the sum is 24.

Adding to 1601111005035 its reverse (5305001111061), we get a palindrome (6906112116096).

The spelling of 1601111005035 in words is "one trillion, six hundred one billion, one hundred eleven million, five thousand, thirty-five".