11465121563660 has 24 divisors (see below), whose sum is σ = 24116032234896. Its totient is φ = 4578567301440.

The previous prime is 11465121563647. The next prime is 11465121563689. The reversal of 11465121563660 is 6636512156411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467570186 + ... + 467594705.

It is an arithmetic number, because the mean of its divisors is an integer number (1004834676454).

Almost surely, 2^{11465121563660} is an apocalyptic number.

11465121563660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11465121563660 is an abundant number, since it is smaller than the sum of its proper divisors (12650910671236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11465121563660 is a wasteful number, since it uses less digits than its factorization.

11465121563660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935165513 (or 935165511 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

It can be divided in two parts, 1146512 and 1563660, that added together give a palindrome (2710172).

The spelling of 11465121563660 in words is "eleven trillion, four hundred sixty-five billion, one hundred twenty-one million, five hundred sixty-three thousand, six hundred sixty".