11015314465661 has 6 divisors (see below), whose sum is σ = 12107742346686. Its totient is φ = 10013922241400.

The previous prime is 11015314465657. The next prime is 11015314465693. The reversal of 11015314465661 is 16656441351011.

It can be written as a sum of positive squares in only one way, i.e., 10512470382436 + 502844083225 = 3242294^2 + 709115^2 .

It is not a de Polignac number, because 11015314465661 - 2² = 11015314465657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11015314465261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45517828250 + ... + 45517828491.

It is an arithmetic number, because the mean of its divisors is an integer number (2017957057781).

Almost surely, 2^{11015314465661} is an apocalyptic number.

11015314465661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11015314465661 is a deficient number, since it is larger than the sum of its proper divisors (1092427881025).

11015314465661 is an equidigital number, since it uses as much as digits as its factorization.

11015314465661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91035656763 (or 91035656752 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 11015314465661 in words is "eleven trillion, fifteen billion, three hundred fourteen million, four hundred sixty-five thousand, six hundred sixty-one".