504220121345 has 16 divisors (see below), whose sum is σ = 606172307520. Its totient is φ = 402637967424.

The previous prime is 504220121341. The next prime is 504220121411. The reversal of 504220121345 is 543121022405.

It is a cyclic number.

It is not a de Polignac number, because 504220121345 - 2² = 504220121341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (504220121341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6402347 + ... + 6480623.

It is an arithmetic number, because the mean of its divisors is an integer number (37885769220).

Almost surely, 2^504220121345 is an apocalyptic number.

It is an amenable number.

504220121345 is a deficient number, since it is larger than the sum of its proper divisors (101952186175).

504220121345 is a wasteful number, since it uses less digits than its factorization.

504220121345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80624.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 504220121345 in words is "five hundred four billion, two hundred twenty million, one hundred twenty-one thousand, three hundred forty-five".