30505275487513 has 8 divisors (see below), whose sum is σ = 30570378209280. Its totient is φ = 30440178672480.

The previous prime is 30505275487493. The next prime is 30505275487517. The reversal of 30505275487513 is 31578457250503.

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 not a de Polignac number, because 30505275487513 - 2²⁵ = 30505241933081 is a prime.

It is a super-2 number, since 2×30505275487513² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30505275487517) 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, 8941653 + ... + 11872813.

It is an arithmetic number, because the mean of its divisors is an integer number (3821297276160).

Almost surely, 2^{30505275487513} is an apocalyptic number.

It is an amenable number.

30505275487513 is a deficient number, since it is larger than the sum of its proper divisors (65102721767).

30505275487513 is a wasteful number, since it uses less digits than its factorization.

30505275487513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953367.

The product of its (nonzero) digits is 17640000, while the sum is 55.

The spelling of 30505275487513 in words is "thirty trillion, five hundred five billion, two hundred seventy-five million, four hundred eighty-seven thousand, five hundred thirteen".