1361022255103 has 16 divisors (see below), whose sum is σ = 1607894763520. Its totient is φ = 1127366100000.

The previous prime is 1361022255091. The next prime is 1361022255107. The reversal of 1361022255103 is 3015522201631.

It is a de Polignac number, because none of the positive numbers 2^k-1361022255103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361022255107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4269273 + ... + 4576978.

It is an arithmetic number, because the mean of its divisors is an integer number (100493422720).

Almost surely, 2^{1361022255103} is an apocalyptic number.

1361022255103 is a deficient number, since it is larger than the sum of its proper divisors (246872508417).

1361022255103 is an equidigital number, since it uses as much as digits as its factorization.

1361022255103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8846998.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 1361022255103 its reverse (3015522201631), we get a palindrome (4376544456734).

The spelling of 1361022255103 in words is "one trillion, three hundred sixty-one billion, twenty-two million, two hundred fifty-five thousand, one hundred three".