11100128952219 has 4 divisors (see below), whose sum is σ = 14800171936296. Its totient is φ = 7400085968144.

The previous prime is 11100128952191. The next prime is 11100128952221. The reversal of 11100128952219 is 91225982100111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11100128952219 - 2⁸ = 11100128951963 is a prime.

It is a super-2 number, since 2×11100128952219² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11100128952229) 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, 1850021492034 + ... + 1850021492039.

It is an arithmetic number, because the mean of its divisors is an integer number (3700042984074).

Almost surely, 2^{11100128952219} is an apocalyptic number.

11100128952219 is a deficient number, since it is larger than the sum of its proper divisors (3700042984077).

11100128952219 is an equidigital number, since it uses as much as digits as its factorization.

11100128952219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700042984076.

The product of its (nonzero) digits is 25920, while the sum is 42.

The spelling of 11100128952219 in words is "eleven trillion, one hundred billion, one hundred twenty-eight million, nine hundred fifty-two thousand, two hundred nineteen".