30355125105 has 32 divisors (see below), whose sum is σ = 50110865280. Its totient is φ = 15680862720.

The previous prime is 30355125089. The next prime is 30355125109. The reversal of 30355125105 is 50152155303.

It is not a de Polignac number, because 30355125105 - 2⁴ = 30355125089 is a prime.

It is a super-2 number, since 2×30355125105² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30355125109) 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, 92062 + ... + 263031.

It is an arithmetic number, because the mean of its divisors is an integer number (1565964540).

Almost surely, 2^30355125105 is an apocalyptic number.

It is an amenable number.

30355125105 is a deficient number, since it is larger than the sum of its proper divisors (19755740175).

30355125105 is a wasteful number, since it uses less digits than its factorization.

30355125105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355281.

The product of its (nonzero) digits is 11250, while the sum is 30.

The spelling of 30355125105 in words is "thirty billion, three hundred fifty-five million, one hundred twenty-five thousand, one hundred five".