11300321172 has 48 divisors (see below), whose sum is σ = 30170725760. Its totient is φ = 3224748672.

The previous prime is 11300321167. The next prime is 11300321173. The reversal of 11300321172 is 27112300311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11300321173) 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, 11503 + ... + 150774.

Almost surely, 2^11300321172 is an apocalyptic number.

11300321172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11300321172 is an abundant number, since it is smaller than the sum of its proper divisors (18870404588).

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

11300321172 is a wasteful number, since it uses less digits than its factorization.

11300321172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163120 (or 163118 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

Adding to 11300321172 its reverse (27112300311), we get a palindrome (38412621483).

The spelling of 11300321172 in words is "eleven billion, three hundred million, three hundred twenty-one thousand, one hundred seventy-two".