1161717207103 has 4 divisors (see below), whose sum is σ = 1174770209520. Its totient is φ = 1148664204688.

The previous prime is 1161717207089. The next prime is 1161717207121. The reversal of 1161717207103 is 3017027171611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1161717207103 - 2¹⁷ = 1161717076031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161717207143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6526501075 + ... + 6526501252.

It is an arithmetic number, because the mean of its divisors is an integer number (293692552380).

Almost surely, 2^{1161717207103} is an apocalyptic number.

1161717207103 is a deficient number, since it is larger than the sum of its proper divisors (13053002417).

1161717207103 is an equidigital number, since it uses as much as digits as its factorization.

1161717207103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13053002416.

The product of its (nonzero) digits is 12348, while the sum is 37.

The spelling of 1161717207103 in words is "one trillion, one hundred sixty-one billion, seven hundred seventeen million, two hundred seven thousand, one hundred three".