20143725665211 has 12 divisors (see below), whose sum is σ = 30361557524688. Its totient is φ = 12845274337104.

The previous prime is 20143725665153. The next prime is 20143725665213. The reversal of 20143725665211 is 11256652734102.

20143725665211 is a `hidden beast` number, since 2 + 0 + 1 + 4 + 3 + 72 + 56 + 6 + 521 + 1 = 666.

It is not a de Polignac number, because 20143725665211 - 2¹⁹ = 20143725140923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20143725665213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48656341980 + ... + 48656342393.

It is an arithmetic number, because the mean of its divisors is an integer number (2530129793724).

Almost surely, 2^{20143725665211} is an apocalyptic number.

20143725665211 is a deficient number, since it is larger than the sum of its proper divisors (10217831859477).

20143725665211 is a wasteful number, since it uses less digits than its factorization.

20143725665211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97312684402 (or 97312684399 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 20143725665211 in words is "twenty trillion, one hundred forty-three billion, seven hundred twenty-five million, six hundred sixty-five thousand, two hundred eleven".