105504211103450 has 12 divisors (see below), whose sum is σ = 196237832652510. Its totient is φ = 42201684441360.

The previous prime is 105504211103437. The next prime is 105504211103479. The reversal of 105504211103450 is 54301112405501.

It can be written as a sum of positive squares in 3 ways, for example, as 93369877770481 + 12134333332969 = 9662809^2 + 3483437^2 .

It is a super-2 number, since 2×105504211103450² (a number of 29 digits) contains 22 as substring.

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, 1055042110985 + ... + 1055042111084.

Almost surely, 2^{105504211103450} is an apocalyptic number.

105504211103450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105504211103450 is a deficient number, since it is larger than the sum of its proper divisors (90733621549060).

105504211103450 is a wasteful number, since it uses less digits than its factorization.

105504211103450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110084222081 (or 2110084222076 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 105504211103450 its reverse (54301112405501), we get a palindrome (159805323508951).

The spelling of 105504211103450 in words is "one hundred five trillion, five hundred four billion, two hundred eleven million, one hundred three thousand, four hundred fifty".