4560261551221 has 16 divisors (see below), whose sum is σ = 4589610113088. Its totient is φ = 4530979667200.

The previous prime is 4560261551191. The next prime is 4560261551239. The reversal of 4560261551221 is 1221551620654.

It is a cyclic number.

It is not a de Polignac number, because 4560261551221 - 2¹⁵ = 4560261518453 is a prime.

It is a super-2 number, since 2×4560261551221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4560261558221) 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, 911502906 + ... + 911507908.

It is an arithmetic number, because the mean of its divisors is an integer number (286850632068).

Almost surely, 2^{4560261551221} is an apocalyptic number.

It is an amenable number.

4560261551221 is a deficient number, since it is larger than the sum of its proper divisors (29348561867).

4560261551221 is a wasteful number, since it uses less digits than its factorization.

4560261551221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10532.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 4560261551221 in words is "four trillion, five hundred sixty billion, two hundred sixty-one million, five hundred fifty-one thousand, two hundred twenty-one".