2156101105443 has 8 divisors (see below), whose sum is σ = 2876499532368. Its totient is φ = 1436551707744.

The previous prime is 2156101105441. The next prime is 2156101105451. The reversal of 2156101105443 is 3445011016512.

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

It is not a de Polignac number, because 2156101105443 - 2¹ = 2156101105441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2156101105441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212251380 + ... + 212261537.

It is an arithmetic number, because the mean of its divisors is an integer number (359562441546).

Almost surely, 2^{2156101105443} is an apocalyptic number.

2156101105443 is a deficient number, since it is larger than the sum of its proper divisors (720398426925).

2156101105443 is a wasteful number, since it uses less digits than its factorization.

2156101105443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424514613.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 2156101105443 in words is "two trillion, one hundred fifty-six billion, one hundred one million, one hundred five thousand, four hundred forty-three".