2511256422 has 32 divisors (see below), whose sum is σ = 5328720000. Its totient is φ = 786250368.

The previous prime is 2511256417. The next prime is 2511256469. The reversal of 2511256422 is 2246521152.

It is a self number, because there is not a number n which added to its sum of digits gives 2511256422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26229 + ... + 75567.

It is an arithmetic number, because the mean of its divisors is an integer number (166522500).

Almost surely, 2^2511256422 is an apocalyptic number.

2511256422 is an abundant number, since it is smaller than the sum of its proper divisors (2817463578).

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

2511256422 is a wasteful number, since it uses less digits than its factorization.

2511256422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49860.

The product of its digits is 9600, while the sum is 30.

The square root of 2511256422 is about 50112.4377974171. The cubic root of 2511256422 is about 1359.2427340599.

Adding to 2511256422 its reverse (2246521152), we get a palindrome (4757777574).

The spelling of 2511256422 in words is "two billion, five hundred eleven million, two hundred fifty-six thousand, four hundred twenty-two".