11012645645 has 8 divisors (see below), whose sum is σ = 13992538104. Its totient is φ = 8291874304.

The previous prime is 11012645641. The next prime is 11012645647. The reversal of 11012645645 is 54654621011.

It can be written as a sum of positive squares in 4 ways, for example, as 1590254884 + 9422390761 = 39878^2 + 97069^2 .

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

It is not a de Polignac number, because 11012645645 - 2² = 11012645641 is a prime.

It is a super-3 number, since 3×11012645645³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012645641) 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, 64780184 + ... + 64780353.

It is an arithmetic number, because the mean of its divisors is an integer number (1749067263).

Almost surely, 2^11012645645 is an apocalyptic number.

It is an amenable number.

11012645645 is a deficient number, since it is larger than the sum of its proper divisors (2979892459).

11012645645 is a wasteful number, since it uses less digits than its factorization.

11012645645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129560559.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 11012645645 in words is "eleven billion, twelve million, six hundred forty-five thousand, six hundred forty-five".