11217411320450 has 12 divisors (see below), whose sum is σ = 20864385056130. Its totient is φ = 4486964528160.

The previous prime is 11217411320431. The next prime is 11217411320503. The reversal of 11217411320450 is 5402311471211.

It can be written as a sum of positive squares in 3 ways, for example, as 5113690254409 + 6103721066041 = 2261347^2 + 2470571^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112174113155 + ... + 112174113254.

Almost surely, 2^{11217411320450} is an apocalyptic number.

11217411320450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11217411320450 is a deficient number, since it is larger than the sum of its proper divisors (9646973735680).

11217411320450 is a wasteful number, since it uses less digits than its factorization.

11217411320450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224348226421 (or 224348226416 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

Adding to 11217411320450 its reverse (5402311471211), we get a palindrome (16619722791661).

The spelling of 11217411320450 in words is "eleven trillion, two hundred seventeen billion, four hundred eleven million, three hundred twenty thousand, four hundred fifty".