2112571724155 has 8 divisors (see below), whose sum is σ = 2535113984832. Its totient is φ = 1690038768768.

The previous prime is 2112571724129. The next prime is 2112571724191. The reversal of 2112571724155 is 5514271752112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112571724155 - 2¹³ = 2112571715963 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1816707 + ... + 2743276.

It is an arithmetic number, because the mean of its divisors is an integer number (316889248104).

Almost surely, 2^{2112571724155} is an apocalyptic number.

2112571724155 is a deficient number, since it is larger than the sum of its proper divisors (422542260677).

2112571724155 is an equidigital number, since it uses as much as digits as its factorization.

2112571724155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4652645.

The product of its digits is 196000, while the sum is 43.

The spelling of 2112571724155 in words is "two trillion, one hundred twelve billion, five hundred seventy-one million, seven hundred twenty-four thousand, one hundred fifty-five".