2501266512 has 80 divisors (see below), whose sum is σ = 6595813952. Its totient is φ = 816583680.

The previous prime is 2501266507. The next prime is 2501266513. The reversal of 2501266512 is 2156621052.

It is a super-2 number, since 2×2501266512² = 12512668328105292288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2501266512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501266513) 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, 579948 + ... + 584244.

Almost surely, 2^2501266512 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 2501266512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3297906976).

2501266512 is an abundant number, since it is smaller than the sum of its proper divisors (4094547440).

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

2501266512 is a wasteful number, since it uses less digits than its factorization.

2501266512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4556 (or 4550 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2501266512 is about 50012.6635163535. The cubic root of 2501266512 is about 1357.4379591045.

Adding to 2501266512 its reverse (2156621052), we get a palindrome (4657887564).

The spelling of 2501266512 in words is "two billion, five hundred one million, two hundred sixty-six thousand, five hundred twelve".