564661463215103 has 4 divisors (see below), whose sum is σ = 564661606156608. Its totient is φ = 564661320273600.

The previous prime is 564661463215093. The next prime is 564661463215127. The reversal of 564661463215103 is 301512364166465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 564661463215103 - 2¹² = 564661463211007 is a prime.

It is a super-3 number, since 3×564661463215103³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564661463215303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65371823 + ... + 73503728.

It is an arithmetic number, because the mean of its divisors is an integer number (141165401539152).

Almost surely, 2^{564661463215103} is an apocalyptic number.

564661463215103 is a deficient number, since it is larger than the sum of its proper divisors (142941505).

564661463215103 is a wasteful number, since it uses less digits than its factorization.

564661463215103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142941504.

The product of its (nonzero) digits is 9331200, while the sum is 53.

The spelling of 564661463215103 in words is "five hundred sixty-four trillion, six hundred sixty-one billion, four hundred sixty-three million, two hundred fifteen thousand, one hundred three".