1611054005 has 16 divisors (see below), whose sum is σ = 2112264000. Its totient is φ = 1169871360.

The previous prime is 1611054001. The next prime is 1611054019. The reversal of 1611054005 is 5004501161.

It is not a de Polignac number, because 1611054005 - 2² = 1611054001 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1611054001) 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, 14021 + ... + 58469.

It is an arithmetic number, because the mean of its divisors is an integer number (132016500).

Almost surely, 2^1611054005 is an apocalyptic number.

It is an amenable number.

1611054005 is a deficient number, since it is larger than the sum of its proper divisors (501209995).

1611054005 is a wasteful number, since it uses less digits than its factorization.

1611054005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45124.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1611054005 is about 40137.9372290107. The cubic root of 1611054005 is about 1172.2944249463.

Adding to 1611054005 its reverse (5004501161), we get a palindrome (6615555166).

The spelling of 1611054005 in words is "one billion, six hundred eleven million, fifty-four thousand, five".