253543401355 has 8 divisors (see below), whose sum is σ = 320265349200. Its totient is φ = 192159209376.

The previous prime is 253543401343. The next prime is 253543401437. The reversal of 253543401355 is 553104345352.

253543401355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 253543401355 - 2¹³ = 253543393163 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1334438860 + ... + 1334439049.

It is an arithmetic number, because the mean of its divisors is an integer number (40033168650).

Almost surely, 2^253543401355 is an apocalyptic number.

253543401355 is a deficient number, since it is larger than the sum of its proper divisors (66721947845).

253543401355 is a wasteful number, since it uses less digits than its factorization.

253543401355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668877933.

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 253543401355 in words is "two hundred fifty-three billion, five hundred forty-three million, four hundred one thousand, three hundred fifty-five".