501745372155253 has 8 divisors (see below), whose sum is σ = 502122755791872. Its totient is φ = 501368129210256.

The previous prime is 501745372155221. The next prime is 501745372155283. The reversal of 501745372155253 is 352551273547105.

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 501745372155253 - 2⁵ = 501745372155221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 501745372155194 and 501745372155203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501745372155283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28037125 + ... + 42303322.

It is an arithmetic number, because the mean of its divisors is an integer number (62765344473984).

Almost surely, 2^{501745372155253} is an apocalyptic number.

It is an amenable number.

501745372155253 is a deficient number, since it is larger than the sum of its proper divisors (377383636619).

501745372155253 is a wasteful number, since it uses less digits than its factorization.

501745372155253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70345811.

The product of its (nonzero) digits is 22050000, while the sum is 55.

The spelling of 501745372155253 in words is "five hundred one trillion, seven hundred forty-five billion, three hundred seventy-two million, one hundred fifty-five thousand, two hundred fifty-three".