11620345611 has 8 divisors (see below), whose sum is σ = 17707193344. Its totient is φ = 6640197480.

The previous prime is 11620345577. The next prime is 11620345613. The reversal of 11620345611 is 11654302611.

It is a happy number.

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

It is not a de Polignac number, because 11620345611 - 2⁷ = 11620345483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11620345613) 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, 276674875 + ... + 276674916.

It is an arithmetic number, because the mean of its divisors is an integer number (2213399168).

Almost surely, 2^11620345611 is an apocalyptic number.

11620345611 is a deficient number, since it is larger than the sum of its proper divisors (6086847733).

11620345611 is an equidigital number, since it uses as much as digits as its factorization.

11620345611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553349801.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 11620345611 in words is "eleven billion, six hundred twenty million, three hundred forty-five thousand, six hundred eleven".