172557314503 has 6 divisors (see below), whose sum is σ = 200729937336. Its totient is φ = 147906269532.

The previous prime is 172557314483. The next prime is 172557314513. The reversal of 172557314503 is 305413755271.

It is not a de Polignac number, because 172557314503 - 2³³ = 163967379911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 172557314503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172557314513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1760788875 + ... + 1760788972.

It is an arithmetic number, because the mean of its divisors is an integer number (33454989556).

Almost surely, 2^172557314503 is an apocalyptic number.

172557314503 is a deficient number, since it is larger than the sum of its proper divisors (28172622833).

172557314503 is an equidigital number, since it uses as much as digits as its factorization.

172557314503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521577861 (or 3521577854 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 43.

The spelling of 172557314503 in words is "one hundred seventy-two billion, five hundred fifty-seven million, three hundred fourteen thousand, five hundred three".