1121711613 has 8 divisors (see below), whose sum is σ = 1631580576. Its totient is φ = 679825200.

The previous prime is 1121711611. The next prime is 1121711621. The reversal of 1121711613 is 3161171211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1121711613 - 2¹ = 1121711611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121711611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16995598 + ... + 16995663.

It is an arithmetic number, because the mean of its divisors is an integer number (203947572).

Almost surely, 2^1121711613 is an apocalyptic number.

It is an amenable number.

1121711613 is a deficient number, since it is larger than the sum of its proper divisors (509868963).

1121711613 is a wasteful number, since it uses less digits than its factorization.

1121711613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33991275.

The product of its digits is 252, while the sum is 24.

The square root of 1121711613 is about 33491.9634091524. The cubic root of 1121711613 is about 1039.0275713736.

Adding to 1121711613 its reverse (3161171211), we get a palindrome (4282882824).

The spelling of 1121711613 in words is "one billion, one hundred twenty-one million, seven hundred eleven thousand, six hundred thirteen".