1601210416311 has 44 divisors (see below), whose sum is σ = 2620148771400. Its totient is φ = 970430161680.

The previous prime is 1601210416283. The next prime is 1601210416321. The reversal of 1601210416311 is 1136140121061.

1601210416311 is a `hidden beast` number, since 1 + 6 + 0 + 1 + 21 + 0 + 4 + 1 + 631 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1601210416311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601210416321) by changing a digit.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 583036 + ... + 1882113.

Almost surely, 2^{1601210416311} is an apocalyptic number.

1601210416311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1601210416311 is a deficient number, since it is larger than the sum of its proper divisors (1018938355089).

1601210416311 is an frugal number, since it uses more digits than its factorization.

1601210416311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465190 (or 2465163 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

Adding to 1601210416311 its reverse (1136140121061), we get a palindrome (2737350537372).

The spelling of 1601210416311 in words is "one trillion, six hundred one billion, two hundred ten million, four hundred sixteen thousand, three hundred eleven".