2512545463368 has 128 divisors (see below), whose sum is σ = 7013804688000. Its totient is φ = 833379287040.

The previous prime is 2512545463361. The next prime is 2512545463391. The reversal of 2512545463368 is 8633645452152.

2512545463368 is a `hidden beast` number, since 2 + 5 + 1 + 2 + 5 + 4 + 546 + 33 + 68 = 666.

It is a super-2 number, since 2×2512545463368² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2512545463361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68018728 + ... + 68055656.

It is an arithmetic number, because the mean of its divisors is an integer number (54795349125).

Almost surely, 2^{2512545463368} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2512545463368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3506902344000).

2512545463368 is an abundant number, since it is smaller than the sum of its proper divisors (4501259224632).

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

2512545463368 is a wasteful number, since it uses less digits than its factorization.

2512545463368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38492 (or 38482 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 54.

The spelling of 2512545463368 in words is "two trillion, five hundred twelve billion, five hundred forty-five million, four hundred sixty-three thousand, three hundred sixty-eight".