30556021611124 has 12 divisors (see below), whose sum is σ = 53473350420000. Its totient is φ = 15277921491128.

The previous prime is 30556021611109. The next prime is 30556021611127. The reversal of 30556021611124 is 42111612065503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30556021611127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21555874 + ... + 22929625.

It is an arithmetic number, because the mean of its divisors is an integer number (4456112535000).

Almost surely, 2^{30556021611124} is an apocalyptic number.

It is an amenable number.

30556021611124 is a deficient number, since it is larger than the sum of its proper divisors (22917328808876).

30556021611124 is a wasteful number, since it uses less digits than its factorization.

30556021611124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44657222 (or 44657220 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

Adding to 30556021611124 its reverse (42111612065503), we get a palindrome (72667633676627).

The spelling of 30556021611124 in words is "thirty trillion, five hundred fifty-six billion, twenty-one million, six hundred eleven thousand, one hundred twenty-four".