1121608532617 has 4 divisors (see below), whose sum is σ = 1157789453056. Its totient is φ = 1085427612180.

The previous prime is 1121608532567. The next prime is 1121608532647. The reversal of 1121608532617 is 7162358061211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1121608532617 - 2¹⁵ = 1121608499849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121608532647) 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, 18090460173 + ... + 18090460234.

It is an arithmetic number, because the mean of its divisors is an integer number (289447363264).

Almost surely, 2^{1121608532617} is an apocalyptic number.

It is an amenable number.

1121608532617 is a deficient number, since it is larger than the sum of its proper divisors (36180920439).

1121608532617 is an equidigital number, since it uses as much as digits as its factorization.

1121608532617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36180920438.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 1121608532617 in words is "one trillion, one hundred twenty-one billion, six hundred eight million, five hundred thirty-two thousand, six hundred seventeen".