1105103613251 has 16 divisors (see below), whose sum is σ = 1238761638240. Its totient is φ = 977004737280.

The previous prime is 1105103613203. The next prime is 1105103613277. The reversal of 1105103613251 is 1523163015011.

It is a de Polignac number, because none of the positive numbers 2^k-1105103613251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105103615251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156695 + ... + 1494911.

It is an arithmetic number, because the mean of its divisors is an integer number (77422602390).

Almost surely, 2^{1105103613251} is an apocalyptic number.

1105103613251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1105103613251 is a deficient number, since it is larger than the sum of its proper divisors (133658024989).

1105103613251 is a wasteful number, since it uses less digits than its factorization.

1105103613251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340294.

The product of its (nonzero) digits is 2700, while the sum is 29.

Adding to 1105103613251 its reverse (1523163015011), we get a palindrome (2628266628262).

The spelling of 1105103613251 in words is "one trillion, one hundred five billion, one hundred three million, six hundred thirteen thousand, two hundred fifty-one".