30521005011 has 80 divisors (see below), whose sum is σ = 52976022528. Its totient is φ = 17151912000.

The previous prime is 30521004989. The next prime is 30521005013. The reversal of 30521005011 is 11050012503.

It is not a de Polignac number, because 30521005011 - 2⁵ = 30521004979 is a prime.

It is a super-2 number, since 2×30521005011² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30521005013) 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 79 ways as a sum of consecutive naturals, for example, 8816821 + ... + 8820281.

Almost surely, 2^30521005011 is an apocalyptic number.

30521005011 is a deficient number, since it is larger than the sum of its proper divisors (22455017517).

30521005011 is a wasteful number, since it uses less digits than its factorization.

30521005011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734 (or 3725 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

Adding to 30521005011 its reverse (11050012503), we get a palindrome (41571017514).

The spelling of 30521005011 in words is "thirty billion, five hundred twenty-one million, five thousand, eleven".