30645121503503 has 16 divisors (see below), whose sum is σ = 34164345415200. Its totient is φ = 27293249531520.

The previous prime is 30645121503473. The next prime is 30645121503509. The reversal of 30645121503503 is 30530512154603.

It is a cyclic number.

It is not a de Polignac number, because 30645121503503 - 2⁶ = 30645121503439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30645121503509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27903113 + ... + 28980578.

It is an arithmetic number, because the mean of its divisors is an integer number (2135271588450).

Almost surely, 2^{30645121503503} is an apocalyptic number.

30645121503503 is a deficient number, since it is larger than the sum of its proper divisors (3519223911697).

30645121503503 is a wasteful number, since it uses less digits than its factorization.

30645121503503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56885162.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 30645121503503 in words is "thirty trillion, six hundred forty-five billion, one hundred twenty-one million, five hundred three thousand, five hundred three".