30512552550139 has 8 divisors (see below), whose sum is σ = 33367805861040. Its totient is φ = 27670863388800.

The previous prime is 30512552550121. The next prime is 30512552550157. The reversal of 30512552550139 is 93105525521503.

It is an interprime number because it is at equal distance from previous prime (30512552550121) and next prime (30512552550157).

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-30512552550139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30512552550439) 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, 3391032682 + ... + 3391041679.

It is an arithmetic number, because the mean of its divisors is an integer number (4170975732630).

Almost surely, 2^{30512552550139} is an apocalyptic number.

30512552550139 is a deficient number, since it is larger than the sum of its proper divisors (2855253310901).

30512552550139 is a wasteful number, since it uses less digits than its factorization.

30512552550139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6782074781.

The product of its (nonzero) digits is 1012500, while the sum is 46.

The spelling of 30512552550139 in words is "thirty trillion, five hundred twelve billion, five hundred fifty-two million, five hundred fifty thousand, one hundred thirty-nine".