30561441561541 has 8 divisors (see below), whose sum is σ = 33367841853984. Its totient is φ = 27759722506320.

The previous prime is 30561441561451. The next prime is 30561441561593. The reversal of 30561441561541 is 14516514416503.

It is a happy number.

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-30561441561541 is a prime.

It is a super-3 number, since 3×30561441561541³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30561441561491 and 30561441561500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30561441561841) 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, 1170295650 + ... + 1170321763.

It is an arithmetic number, because the mean of its divisors is an integer number (4170980231748).

Almost surely, 2^{30561441561541} is an apocalyptic number.

It is an amenable number.

30561441561541 is a deficient number, since it is larger than the sum of its proper divisors (2806400292443).

30561441561541 is a wasteful number, since it uses less digits than its factorization.

30561441561541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340618611.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 30561441561541 in words is "thirty trillion, five hundred sixty-one billion, four hundred forty-one million, five hundred sixty-one thousand, five hundred forty-one".