11135981730 has 64 divisors (see below), whose sum is σ = 27901843200. Its totient is φ = 2840866560.

The previous prime is 11135981687. The next prime is 11135981749. The reversal of 11135981730 is 3718953111.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36115 + ... + 153545.

It is an arithmetic number, because the mean of its divisors is an integer number (435966300).

Almost surely, 2^11135981730 is an apocalyptic number.

11135981730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11135981730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13950921600).

11135981730 is an abundant number, since it is smaller than the sum of its proper divisors (16765861470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11135981730 is a wasteful number, since it uses less digits than its factorization.

11135981730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117579.

The product of its (nonzero) digits is 22680, while the sum is 39.

The spelling of 11135981730 in words is "eleven billion, one hundred thirty-five million, nine hundred eighty-one thousand, seven hundred thirty".