2115072071616 has 56 divisors (see below), whose sum is σ = 6395575077760. Its totient is φ = 604306305792.

The previous prime is 2115072071599. The next prime is 2115072071663. The reversal of 2115072071616 is 6161702705112.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786855826 + ... + 786858513.

Almost surely, 2^{2115072071616} is an apocalyptic number.

It is an amenable number.

2115072071616 is an abundant number, since it is smaller than the sum of its proper divisors (4280503006144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2115072071616 is a wasteful number, since it uses less digits than its factorization.

2115072071616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573714361 (or 1573714351 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

Adding to 2115072071616 its reverse (6161702705112), we get a palindrome (8276774776728).

The spelling of 2115072071616 in words is "two trillion, one hundred fifteen billion, seventy-two million, seventy-one thousand, six hundred sixteen".