2111552827630 has 64 divisors (see below), whose sum is σ = 3977014204800. Its totient is φ = 806134855680.

The previous prime is 2111552827619. The next prime is 2111552827679. The reversal of 2111552827630 is 367282551112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145586959 + ... + 145601461.

It is an arithmetic number, because the mean of its divisors is an integer number (62140846950).

Almost surely, 2^{2111552827630} is an apocalyptic number.

2111552827630 is a deficient number, since it is larger than the sum of its proper divisors (1865461377170).

2111552827630 is a wasteful number, since it uses less digits than its factorization.

2111552827630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20269.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 2111552827630 in words is "two trillion, one hundred eleven billion, five hundred fifty-two million, eight hundred twenty-seven thousand, six hundred thirty".