11200172146 has 8 divisors (see below), whose sum is σ = 16836234480. Its totient is φ = 5588093988.

The previous prime is 11200172141. The next prime is 11200172147. The reversal of 11200172146 is 64127100211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11200172146² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11200172146.

It is not an unprimeable number, because it can be changed into a prime (11200172141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5994876 + ... + 5996743.

It is an arithmetic number, because the mean of its divisors is an integer number (2104529310).

Almost surely, 2^11200172146 is an apocalyptic number.

11200172146 is a deficient number, since it is larger than the sum of its proper divisors (5636062334).

11200172146 is a wasteful number, since it uses less digits than its factorization.

11200172146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11992088.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 11200172146 its reverse (64127100211), we get a palindrome (75327272357).

The spelling of 11200172146 in words is "eleven billion, two hundred million, one hundred seventy-two thousand, one hundred forty-six".