2551321124 has 48 divisors (see below), whose sum is σ = 4948909056. Its totient is φ = 1141216800.

The previous prime is 2551321057. The next prime is 2551321169. The reversal of 2551321124 is 4211231552.

It is a junction number, because it is equal to n+sod(n) for n = 2551321093 and 2551321102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 755159 + ... + 758529.

It is an arithmetic number, because the mean of its divisors is an integer number (103102272).

Almost surely, 2^2551321124 is an apocalyptic number.

It is an amenable number.

2551321124 is a deficient number, since it is larger than the sum of its proper divisors (2397587932).

2551321124 is a wasteful number, since it uses less digits than its factorization.

2551321124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3656 (or 3654 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 2551321124 is about 50510.6040747881. The cubic root of 2551321124 is about 1366.4331040352.

Adding to 2551321124 its reverse (4211231552), we get a palindrome (6762552676).

The spelling of 2551321124 in words is "two billion, five hundred fifty-one million, three hundred twenty-one thousand, one hundred twenty-four".