100001611 has 2 divisors, whose sum is σ = 100001612. Its totient is φ = 100001610.

The previous prime is 100001591. The next prime is 100001623. The reversal of 100001611 is 116100001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100001611 - 2¹¹ = 99999563 is a prime.

It is not a weakly prime, because it can be changed into another prime (100001651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000805 + 50000806.

It is an arithmetic number, because the mean of its divisors is an integer number (50000806).

Almost surely, 2^100001611 is an apocalyptic number.

100001611 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001611 is an equidigital number, since it uses as much as digits as its factorization.

100001611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 100001611 is about 10000.0805496756. The cubic root of 100001611 is about 464.1613758811.

Adding to 100001611 its reverse (116100001), we get a palindrome (216101612).

It can be divided in two parts, 10000 and 1611, that added together give a palindrome (11611).

The spelling of 100001611 in words is "one hundred million, one thousand, six hundred eleven".