11632344621543 has 12 divisors (see below), whose sum is σ = 16802455020000. Its totient is φ = 7754813588736.

The previous prime is 11632344621493. The next prime is 11632344621551. The reversal of 11632344621543 is 34512644323611.

11632344621543 is a `hidden beast` number, since 1 + 1 + 6 + 3 + 2 + 3 + 44 + 62 + 1 + 543 = 666.

It is not a de Polignac number, because 11632344621543 - 2¹² = 11632344617447 is a prime.

It is a super-2 number, since 2×11632344621543² (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 (11632344622543) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6006543 + ... + 7703456.

It is an arithmetic number, because the mean of its divisors is an integer number (1400204585000).

Almost surely, 2^{11632344621543} is an apocalyptic number.

11632344621543 is a deficient number, since it is larger than the sum of its proper divisors (5170110398457).

11632344621543 is a wasteful number, since it uses less digits than its factorization.

11632344621543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13804278 (or 13804275 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The spelling of 11632344621543 in words is "eleven trillion, six hundred thirty-two billion, three hundred forty-four million, six hundred twenty-one thousand, five hundred forty-three".