52171887020001 has 16 divisors (see below), whose sum is σ = 79500892593024. Its totient is φ = 29812179014784.

The previous prime is 52171887019997. The next prime is 52171887020041. The reversal of 52171887020001 is 10002078817125.

It is a happy number.

It is not a de Polignac number, because 52171887020001 - 2² = 52171887019997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52171887020041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11698980 + ... + 15530933.

It is an arithmetic number, because the mean of its divisors is an integer number (4968805787064).

Almost surely, 2^{52171887020001} is an apocalyptic number.

It is an amenable number.

52171887020001 is a deficient number, since it is larger than the sum of its proper divisors (27329005573023).

52171887020001 is a wasteful number, since it uses less digits than its factorization.

52171887020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27321160.

The product of its (nonzero) digits is 62720, while the sum is 42.

The spelling of 52171887020001 in words is "fifty-two trillion, one hundred seventy-one billion, eight hundred eighty-seven million, twenty thousand, one".