30625054881 has 8 divisors (see below), whose sum is σ = 40837638240. Its totient is φ = 20414587392.

The previous prime is 30625054849. The next prime is 30625054909. The reversal of 30625054881 is 18845052603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30625054881 - 2⁵ = 30625054849 is a prime.

It is a super-2 number, since 2×30625054881² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30625054841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494880 + ... + 553313.

It is an arithmetic number, because the mean of its divisors is an integer number (5104704780).

Almost surely, 2^30625054881 is an apocalyptic number.

It is an amenable number.

30625054881 is a deficient number, since it is larger than the sum of its proper divisors (10212583359).

30625054881 is a wasteful number, since it uses less digits than its factorization.

30625054881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057935.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 30625054881 in words is "thirty billion, six hundred twenty-five million, fifty-four thousand, eight hundred eighty-one".