11628845863405 has 16 divisors (see below), whose sum is σ = 14447554858800. Its totient is φ = 8974972195840.

The previous prime is 11628845863333. The next prime is 11628845863409. The reversal of 11628845863405 is 50436854882611.

11628845863405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1449006840009 + 10179839023396 = 1203747^2 + 3190586^2 .

It is not a de Polignac number, because 11628845863405 - 2²⁵ = 11628812308973 is a prime.

It is a super-2 number, since 2×11628845863405² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11628845863409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32449516 + ... + 32805925.

It is an arithmetic number, because the mean of its divisors is an integer number (902972178675).

Almost surely, 2^{11628845863405} is an apocalyptic number.

It is an amenable number.

11628845863405 is a deficient number, since it is larger than the sum of its proper divisors (2818708995395).

11628845863405 is a wasteful number, since it uses less digits than its factorization.

11628845863405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65256704.

The product of its (nonzero) digits is 44236800, while the sum is 61.

The spelling of 11628845863405 in words is "eleven trillion, six hundred twenty-eight billion, eight hundred forty-five million, eight hundred sixty-three thousand, four hundred five".