2011055630 has 24 divisors (see below), whose sum is σ = 3845366568. Its totient is φ = 757102208.

The previous prime is 2011055621. The next prime is 2011055671. The reversal of 2011055630 is 365501102.

It is a junction number, because it is equal to n+sod(n) for n = 2011055596 and 2011055605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345044 + ... + 350823.

It is an arithmetic number, because the mean of its divisors is an integer number (160223607).

Almost surely, 2^2011055630 is an apocalyptic number.

2011055630 is a deficient number, since it is larger than the sum of its proper divisors (1834310938).

2011055630 is a wasteful number, since it uses less digits than its factorization.

2011055630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695908 (or 695891 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 2011055630 is about 44844.7949042027. The cubic root of 2011055630 is about 1262.2383221342.

Adding to 2011055630 its reverse (365501102), we get a palindrome (2376556732).

The spelling of 2011055630 in words is "two billion, eleven million, fifty-five thousand, six hundred thirty".