30615642561361 has 8 divisors (see below), whose sum is σ = 35968027624704. Its totient is φ = 25691448303120.

The previous prime is 30615642561347. The next prime is 30615642561377. The reversal of 30615642561361 is 16316524651603.

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

It is a cyclic number.

It is not a de Polignac number, because 30615642561361 - 2³¹ = 30613495077713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30615642561661) 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, 107047701121 + ... + 107047701406.

It is an arithmetic number, because the mean of its divisors is an integer number (4496003453088).

Almost surely, 2^{30615642561361} is an apocalyptic number.

It is an amenable number.

30615642561361 is a deficient number, since it is larger than the sum of its proper divisors (5352385063343).

30615642561361 is a wasteful number, since it uses less digits than its factorization.

30615642561361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214095402551.

The product of its (nonzero) digits is 2332800, while the sum is 49.

The spelling of 30615642561361 in words is "thirty trillion, six hundred fifteen billion, six hundred forty-two million, five hundred sixty-one thousand, three hundred sixty-one".