11081291630 has 16 divisors (see below), whose sum is σ = 20227260384. Its totient is φ = 4370086560.

The previous prime is 11081291629. The next prime is 11081291681. The reversal of 11081291630 is 3619218011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7803017 + ... + 7804436.

It is an arithmetic number, because the mean of its divisors is an integer number (1264203774).

Almost surely, 2^11081291630 is an apocalyptic number.

11081291630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11081291630 is a deficient number, since it is larger than the sum of its proper divisors (9145968754).

11081291630 is a wasteful number, since it uses less digits than its factorization.

11081291630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15607531.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 11081291630 in words is "eleven billion, eighty-one million, two hundred ninety-one thousand, six hundred thirty".