2111730055528 has 16 divisors (see below), whose sum is σ = 3959509986180. Its totient is φ = 1055860725888.

The previous prime is 2111730055499. The next prime is 2111730055537. The reversal of 2111730055528 is 8255500371112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2111726299684 + 3755844 = 1453178^2 + 1938^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2683876 + ... + 3380332.

Almost surely, 2^{2111730055528} is an apocalyptic number.

It is an amenable number.

2111730055528 is a deficient number, since it is larger than the sum of its proper divisors (1847779930652).

2111730055528 is a wasteful number, since it uses less digits than its factorization.

2111730055528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075476 (or 1075472 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 40.

The spelling of 2111730055528 in words is "two trillion, one hundred eleven billion, seven hundred thirty million, fifty-five thousand, five hundred twenty-eight".