1103205352551 has 24 divisors (see below), whose sum is σ = 1580113060560. Its totient is φ = 684429622272.

The previous prime is 1103205352531. The next prime is 1103205352559. The reversal of 1103205352551 is 1552535023011.

It is a happy number.

It is not a de Polignac number, because 1103205352551 - 2¹¹ = 1103205350503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103205352559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7071376 + ... + 7225701.

It is an arithmetic number, because the mean of its divisors is an integer number (65838044190).

Almost surely, 2^{1103205352551} is an apocalyptic number.

1103205352551 is a deficient number, since it is larger than the sum of its proper divisors (476907708009).

1103205352551 is a wasteful number, since it uses less digits than its factorization.

1103205352551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14297203 (or 14297186 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 1103205352551 in words is "one trillion, one hundred three billion, two hundred five million, three hundred fifty-two thousand, five hundred fifty-one".