2511278484 has 72 divisors (see below), whose sum is σ = 6921950112. Its totient is φ = 702449280.

The previous prime is 2511278459. The next prime is 2511278509. The reversal of 2511278484 is 4848721152.

It is an interprime number because it is at equal distance from previous prime (2511278459) and next prime (2511278509).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33979 + ... + 78594.

It is an arithmetic number, because the mean of its divisors is an integer number (96138196).

Almost surely, 2^2511278484 is an apocalyptic number.

It is an amenable number.

2511278484 is an abundant number, since it is smaller than the sum of its proper divisors (4410671628).

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

2511278484 is a wasteful number, since it uses less digits than its factorization.

2511278484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112617 (or 112602 counting only the distinct ones).

The product of its digits is 143360, while the sum is 42.

The square root of 2511278484 is about 50112.6579219263. The cubic root of 2511278484 is about 1359.2467144745.

The spelling of 2511278484 in words is "two billion, five hundred eleven million, two hundred seventy-eight thousand, four hundred eighty-four".