253345117603 has 8 divisors (see below), whose sum is σ = 262888091136. Its totient is φ = 243968109000.

The previous prime is 253345117577. The next prime is 253345117607. The reversal of 253345117603 is 306711543352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253345117603 is a prime.

It is a super-2 number, since 2×253345117603² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253345117607) 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 7 ways as a sum of consecutive naturals, for example, 41488123 + ... + 41494228.

It is an arithmetic number, because the mean of its divisors is an integer number (32861011392).

Almost surely, 2^253345117603 is an apocalyptic number.

253345117603 is a deficient number, since it is larger than the sum of its proper divisors (9542973533).

253345117603 is an equidigital number, since it uses as much as digits as its factorization.

253345117603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82982465.

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 253345117603 in words is "two hundred fifty-three billion, three hundred forty-five million, one hundred seventeen thousand, six hundred three".