252143225115541 has 8 divisors (see below), whose sum is σ = 263171932007040. Its totient is φ = 241120014721872.

The previous prime is 252143225115533. The next prime is 252143225115563. The reversal of 252143225115541 is 145511522341252.

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 252143225115541 - 2³ = 252143225115533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252143225115641) 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, 1374030705 + ... + 1374214198.

It is an arithmetic number, because the mean of its divisors is an integer number (32896491500880).

Almost surely, 2^{252143225115541} is an apocalyptic number.

It is an amenable number.

252143225115541 is a deficient number, since it is larger than the sum of its proper divisors (11028706891499).

252143225115541 is a wasteful number, since it uses less digits than its factorization.

252143225115541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748248915.

The product of its digits is 480000, while the sum is 43.

Adding to 252143225115541 its reverse (145511522341252), we get a palindrome (397654747456793).

The spelling of 252143225115541 in words is "two hundred fifty-two trillion, one hundred forty-three billion, two hundred twenty-five million, one hundred fifteen thousand, five hundred forty-one".