2512155616 has 24 divisors (see below), whose sum is σ = 4975432560. Its totient is φ = 1248553728.

The previous prime is 2512155601. The next prime is 2512155617. The reversal of 2512155616 is 6165512152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2512155617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229701 + ... + 240388.

It is an arithmetic number, because the mean of its divisors is an integer number (207309690).

Almost surely, 2^2512155616 is an apocalyptic number.

It is an amenable number.

2512155616 is a deficient number, since it is larger than the sum of its proper divisors (2463276944).

2512155616 is a wasteful number, since it uses less digits than its factorization.

2512155616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470266 (or 470258 counting only the distinct ones).

The product of its digits is 18000, while the sum is 34.

The square root of 2512155616 is about 50121.4087591321. The cubic root of 2512155616 is about 1359.4049472918.

Adding to 2512155616 its reverse (6165512152), we get a palindrome (8677667768).

The spelling of 2512155616 in words is "two billion, five hundred twelve million, one hundred fifty-five thousand, six hundred sixteen".