481021801761525 has 24 divisors (see below), whose sum is σ = 795380363794464. Its totient is φ = 256515610977600.

The previous prime is 481021801761467. The next prime is 481021801761547. The reversal of 481021801761525 is 525167108120184.

It is a happy number.

It is not a de Polignac number, because 481021801761525 - 2¹⁰ = 481021801760501 is a prime.

It is a super-3 number, since 3×481021801761525³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 366214579 + ... + 367525728.

It is an arithmetic number, because the mean of its divisors is an integer number (33140848491436).

Almost surely, 2^{481021801761525} is an apocalyptic number.

It is an amenable number.

481021801761525 is a deficient number, since it is larger than the sum of its proper divisors (314358562032939).

481021801761525 is a wasteful number, since it uses less digits than its factorization.

481021801761525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733749061 (or 733749056 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 51.

The spelling of 481021801761525 in words is "four hundred eighty-one trillion, twenty-one billion, eight hundred one million, seven hundred sixty-one thousand, five hundred twenty-five".