30280075511 has 16 divisors (see below), whose sum is σ = 34847949120. Its totient is φ = 25772947200.

The previous prime is 30280075447. The next prime is 30280075523. The reversal of 30280075511 is 11557008203.

It is not a de Polignac number, because 30280075511 - 2⁶ = 30280075447 is a prime.

It is a super-2 number, since 2×30280075511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30280075571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1958411 + ... + 1973811.

It is an arithmetic number, because the mean of its divisors is an integer number (2177996820).

Almost surely, 2^30280075511 is an apocalyptic number.

30280075511 is a deficient number, since it is larger than the sum of its proper divisors (4567873609).

30280075511 is a wasteful number, since it uses less digits than its factorization.

30280075511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17354.

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 30280075511 in words is "thirty billion, two hundred eighty million, seventy-five thousand, five hundred eleven".