11624555643542 has 16 divisors (see below), whose sum is σ = 17541810250272. Its totient is φ = 5777287800960.

The previous prime is 11624555643409. The next prime is 11624555643557. The reversal of 11624555643542 is 24534655542611.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10137518 + ... + 11225790.

It is an arithmetic number, because the mean of its divisors is an integer number (1096363140642).

Almost surely, 2^{11624555643542} is an apocalyptic number.

11624555643542 is a deficient number, since it is larger than the sum of its proper divisors (5917254606730).

11624555643542 is a wasteful number, since it uses less digits than its factorization.

11624555643542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120423.

The product of its digits is 17280000, while the sum is 53.

The spelling of 11624555643542 in words is "eleven trillion, six hundred twenty-four billion, five hundred fifty-five million, six hundred forty-three thousand, five hundred forty-two".