415321306561 has 8 divisors (see below), whose sum is σ = 482697887040. Its totient is φ = 349955967408.

The previous prime is 415321306541. The next prime is 415321306567. The reversal of 415321306561 is 165603123514.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-415321306561 is a prime.

It is a super-2 number, since 2×415321306561² (a number of 24 digits) contains 22 as substring.

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 415321306561.

It is not an unprimeable number, because it can be changed into a prime (415321306567) 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, 502809886 + ... + 502810711.

It is an arithmetic number, because the mean of its divisors is an integer number (60337235880).

Almost surely, 2^415321306561 is an apocalyptic number.

It is an amenable number.

415321306561 is a deficient number, since it is larger than the sum of its proper divisors (67376580479).

415321306561 is a wasteful number, since it uses less digits than its factorization.

415321306561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005620663.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 415321306561 in words is "four hundred fifteen billion, three hundred twenty-one million, three hundred six thousand, five hundred sixty-one".