11127821190 has 32 divisors (see below), whose sum is σ = 26709834240. Its totient is φ = 2967078624.

The previous prime is 11127821171. The next prime is 11127821207. The reversal of 11127821190 is 9112872111.

It is a super-2 number, since 2×11127821190² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352017 + ... + 382323.

It is an arithmetic number, because the mean of its divisors is an integer number (834682320).

Almost surely, 2^11127821190 is an apocalyptic number.

11127821190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11127821190 is an abundant number, since it is smaller than the sum of its proper divisors (15582013050).

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

11127821190 is a wasteful number, since it uses less digits than its factorization.

11127821190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42556.

The product of its (nonzero) digits is 2016, while the sum is 33.

The spelling of 11127821190 in words is "eleven billion, one hundred twenty-seven million, eight hundred twenty-one thousand, one hundred ninety".