30615113312461 has 2 divisors, whose sum is σ = 30615113312462. Its totient is φ = 30615113312460.

The previous prime is 30615113312417. The next prime is 30615113312503. The reversal of 30615113312461 is 16421331151603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23768491586436 + 6846621726025 = 4875294^2 + 2616605^2 .

It is a cyclic number.

It is not a de Polignac number, because 30615113312461 - 2¹⁵ = 30615113279693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30615113312461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30615113310461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15307556656230 + 15307556656231.

It is an arithmetic number, because the mean of its divisors is an integer number (15307556656231).

Almost surely, 2^{30615113312461} is an apocalyptic number.

It is an amenable number.

30615113312461 is a deficient number, since it is larger than the sum of its proper divisors (1).

30615113312461 is an equidigital number, since it uses as much as digits as its factorization.

30615113312461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 30615113312461 in words is "thirty trillion, six hundred fifteen billion, one hundred thirteen million, three hundred twelve thousand, four hundred sixty-one".