11645054611 has 4 divisors (see below), whose sum is σ = 11645613592. Its totient is φ = 11644495632.

The previous prime is 11645054591. The next prime is 11645054623.

11645054611 is nontrivially palindromic in base 10.

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 11645054611 - 2⁷ = 11645054483 is a prime.

It is a super-2 number, since 2×11645054611² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11645051611) 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, 246981 + ... + 290326.

It is an arithmetic number, because the mean of its divisors is an integer number (2911403398).

Almost surely, 2^11645054611 is an apocalyptic number.

11645054611 is a deficient number, since it is larger than the sum of its proper divisors (558981).

11645054611 is an equidigital number, since it uses as much as digits as its factorization.

11645054611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558980.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 11645054611 in words is "eleven billion, six hundred forty-five million, fifty-four thousand, six hundred eleven".