2153109585542 has 8 divisors (see below), whose sum is σ = 3229846271832. Its totient is φ = 1076494161600.

The previous prime is 2153109585541. The next prime is 2153109585559. The reversal of 2153109585542 is 2455859013512.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153109585541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30271184 + ... + 30342227.

It is an arithmetic number, because the mean of its divisors is an integer number (403730783979).

Almost surely, 2^{2153109585542} is an apocalyptic number.

2153109585542 is a deficient number, since it is larger than the sum of its proper divisors (1076736686290).

2153109585542 is a wasteful number, since it uses less digits than its factorization.

2153109585542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60631174.

The product of its (nonzero) digits is 2160000, while the sum is 50.

The spelling of 2153109585542 in words is "two trillion, one hundred fifty-three billion, one hundred nine million, five hundred eighty-five thousand, five hundred forty-two".