2061135606611 has 4 divisors (see below), whose sum is σ = 2061564925224. Its totient is φ = 2060706288000.

The previous prime is 2061135606599. The next prime is 2061135606617. The reversal of 2061135606611 is 1166065311602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2061135606611 - 2¹⁸ = 2061135344467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2061135606617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214652105 + ... + 214661706.

It is an arithmetic number, because the mean of its divisors is an integer number (515391231306).

Almost surely, 2^{2061135606611} is an apocalyptic number.

2061135606611 is a deficient number, since it is larger than the sum of its proper divisors (429318613).

2061135606611 is an equidigital number, since it uses as much as digits as its factorization.

2061135606611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429318612.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 2061135606611 in words is "two trillion, sixty-one billion, one hundred thirty-five million, six hundred six thousand, six hundred eleven".