30013125765 has 32 divisors (see below), whose sum is σ = 54993930240. Its totient is φ = 13692089664.

The previous prime is 30013125763. The next prime is 30013125811. The reversal of 30013125765 is 56752131003.

It is not a de Polignac number, because 30013125765 - 2¹ = 30013125763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013125763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242335 + ... + 344604.

It is an arithmetic number, because the mean of its divisors is an integer number (1718560320).

Almost surely, 2^30013125765 is an apocalyptic number.

30013125765 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30013125765 is a deficient number, since it is larger than the sum of its proper divisors (24980804475).

30013125765 is a wasteful number, since it uses less digits than its factorization.

30013125765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587441.

The product of its (nonzero) digits is 18900, while the sum is 33.

Adding to 30013125765 its reverse (56752131003), we get a palindrome (86765256768).

The spelling of 30013125765 in words is "thirty billion, thirteen million, one hundred twenty-five thousand, seven hundred sixty-five".