1011101601611 has 8 divisors (see below), whose sum is σ = 1064501062800. Its totient is φ = 957720499200.

The previous prime is 1011101601529. The next prime is 1011101601619. The reversal of 1011101601611 is 1161061011101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011101601611 - 2²⁶ = 1011034492747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011101601619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4476566 + ... + 4697003.

It is an arithmetic number, because the mean of its divisors is an integer number (133062632850).

Almost surely, 2^{1011101601611} is an apocalyptic number.

1011101601611 is a deficient number, since it is larger than the sum of its proper divisors (53399461189).

1011101601611 is an equidigital number, since it uses as much as digits as its factorization.

1011101601611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9179389.

The product of its (nonzero) digits is 36, while the sum is 20.

Adding to 1011101601611 its reverse (1161061011101), we get a palindrome (2172162612712).

The spelling of 1011101601611 in words is "one trillion, eleven billion, one hundred one million, six hundred one thousand, six hundred eleven".