253354450323511 has 16 divisors (see below), whose sum is σ = 266878110320640. Its totient is φ = 239849756799840.

The previous prime is 253354450323497. The next prime is 253354450323517. The reversal of 253354450323511 is 115323054453352.

It is a cyclic number.

It is not a de Polignac number, because 253354450323511 - 2⁵ = 253354450323479 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 (253354450323517) 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, 203537421 + ... + 204778393.

It is an arithmetic number, because the mean of its divisors is an integer number (16679881895040).

Almost surely, 2^{253354450323511} is an apocalyptic number.

253354450323511 is a deficient number, since it is larger than the sum of its proper divisors (13523659997129).

253354450323511 is a wasteful number, since it uses less digits than its factorization.

253354450323511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248606.

The product of its (nonzero) digits is 3240000, while the sum is 46.

The spelling of 253354450323511 in words is "two hundred fifty-three trillion, three hundred fifty-four billion, four hundred fifty million, three hundred twenty-three thousand, five hundred eleven".