253435543315 has 16 divisors (see below), whose sum is σ = 311895732960. Its totient is φ = 197577665280.

The previous prime is 253435543313. The next prime is 253435543321. The reversal of 253435543315 is 513345534352.

It is not a de Polignac number, because 253435543315 - 2¹ = 253435543313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253435543313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525045 + ... + 884614.

It is an arithmetic number, because the mean of its divisors is an integer number (19493483310).

Almost surely, 2^253435543315 is an apocalyptic number.

253435543315 is a deficient number, since it is larger than the sum of its proper divisors (58460189645).

253435543315 is a wasteful number, since it uses less digits than its factorization.

253435543315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410582.

The product of its digits is 1620000, while the sum is 43.

The spelling of 253435543315 in words is "two hundred fifty-three billion, four hundred thirty-five million, five hundred forty-three thousand, three hundred fifteen".