11249105660 has 48 divisors (see below), whose sum is σ = 25554498816. Its totient is φ = 4134868992.

The previous prime is 11249105653. The next prime is 11249105663. The reversal of 11249105660 is 6650194211.

It is a self number, because there is not a number n which added to its sum of digits gives 11249105660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11249105663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39029 + ... + 154988.

It is an arithmetic number, because the mean of its divisors is an integer number (532385392).

Almost surely, 2^11249105660 is an apocalyptic number.

11249105660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11249105660 is an abundant number, since it is smaller than the sum of its proper divisors (14305393156).

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

11249105660 is a wasteful number, since it uses less digits than its factorization.

11249105660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194262 (or 194260 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

Adding to 11249105660 its reverse (6650194211), we get a palindrome (17899299871).

The spelling of 11249105660 in words is "eleven billion, two hundred forty-nine million, one hundred five thousand, six hundred sixty".