253143055551 has 8 divisors (see below), whose sum is σ = 343892453040. Its totient is φ = 165577847552.

The previous prime is 253143055493. The next prime is 253143055553. The reversal of 253143055551 is 155550341352.

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 253143055551 - 2¹⁴ = 253143039167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253143055553) 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, 796047186 + ... + 796047503.

It is an arithmetic number, because the mean of its divisors is an integer number (42986556630).

Almost surely, 2^253143055551 is an apocalyptic number.

253143055551 is a deficient number, since it is larger than the sum of its proper divisors (90749397489).

253143055551 is a wasteful number, since it uses less digits than its factorization.

253143055551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592094745.

The product of its (nonzero) digits is 225000, while the sum is 39.

The spelling of 253143055551 in words is "two hundred fifty-three billion, one hundred forty-three million, fifty-five thousand, five hundred fifty-one".