11091909109102 has 16 divisors (see below), whose sum is σ = 16659093906000. Its totient is φ = 5538881460160.

The previous prime is 11091909109091. The next prime is 11091909109109. The reversal of 11091909109102 is 20190190919011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11091909109109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5174274 + ... + 6996922.

It is an arithmetic number, because the mean of its divisors is an integer number (1041193369125).

Almost surely, 2^{11091909109102} is an apocalyptic number.

11091909109102 is a deficient number, since it is larger than the sum of its proper divisors (5567184796898).

11091909109102 is a wasteful number, since it uses less digits than its factorization.

11091909109102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826531.

The product of its (nonzero) digits is 13122, while the sum is 43.

The spelling of 11091909109102 in words is "eleven trillion, ninety-one billion, nine hundred nine million, one hundred nine thousand, one hundred two".