211103083456 has 28 divisors (see below), whose sum is σ = 423226329568. Its totient is φ = 104463378432.

The previous prime is 211103083409. The next prime is 211103083469. The reversal of 211103083456 is 654380301112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16996296 + ... + 17008711.

It is an arithmetic number, because the mean of its divisors is an integer number (15115226056).

Almost surely, 2^211103083456 is an apocalyptic number.

It is an amenable number.

211103083456 is an abundant number, since it is smaller than the sum of its proper divisors (212123246112).

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

211103083456 is an equidigital number, since it uses as much as digits as its factorization.

211103083456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34005116 (or 34005106 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 211103083456 its reverse (654380301112), we get a palindrome (865483384568).

The spelling of 211103083456 in words is "two hundred eleven billion, one hundred three million, eighty-three thousand, four hundred fifty-six".