1615161112005 has 64 divisors (see below), whose sum is σ = 3090473238528. Its totient is φ = 704752980480.

The previous prime is 1615161111989. The next prime is 1615161112013. The reversal of 1615161112005 is 5002111615161.

It is not a de Polignac number, because 1615161112005 - 2⁴ = 1615161111989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3161079 + ... + 3636308.

It is an arithmetic number, because the mean of its divisors is an integer number (48288644352).

Almost surely, 2^{1615161112005} is an apocalyptic number.

1615161112005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1615161112005 is a deficient number, since it is larger than the sum of its proper divisors (1475312126523).

1615161112005 is a wasteful number, since it uses less digits than its factorization.

1615161112005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6797506.

The product of its (nonzero) digits is 1800, while the sum is 30.

Adding to 1615161112005 its reverse (5002111615161), we get a palindrome (6617272727166).

The spelling of 1615161112005 in words is "one trillion, six hundred fifteen billion, one hundred sixty-one million, one hundred twelve thousand, five".