1361105053 has 16 divisors (see below), whose sum is σ = 1755480960. Its totient is φ = 1024027200.

The previous prime is 1361105047. The next prime is 1361105059. The reversal of 1361105053 is 3505011631.

It is an interprime number because it is at equal distance from previous prime (1361105047) and next prime (1361105059).

It is a de Polignac number, because none of the positive numbers 2^k-1361105053 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361105059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302538 + ... + 307003.

It is an arithmetic number, because the mean of its divisors is an integer number (109717560).

Almost surely, 2^1361105053 is an apocalyptic number.

It is an amenable number.

1361105053 is a deficient number, since it is larger than the sum of its proper divisors (394375907).

1361105053 is a wasteful number, since it uses less digits than its factorization.

1361105053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609588.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 1361105053 is about 36893.1572652708. The cubic root of 1361105053 is about 1108.2316493267.

Adding to 1361105053 its reverse (3505011631), we get a palindrome (4866116684).

The spelling of 1361105053 in words is "one billion, three hundred sixty-one million, one hundred five thousand, fifty-three".