2551015345 has 32 divisors (see below), whose sum is σ = 3166801920. Its totient is φ = 1971889920.

The previous prime is 2551015343. The next prime is 2551015361. The reversal of 2551015345 is 5435101552.

It is not a de Polignac number, because 2551015345 - 2¹ = 2551015343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2551015343) 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, 7706830 + ... + 7707160.

It is an arithmetic number, because the mean of its divisors is an integer number (98962560).

Almost surely, 2^2551015345 is an apocalyptic number.

It is an amenable number.

2551015345 is a deficient number, since it is larger than the sum of its proper divisors (615786575).

2551015345 is a wasteful number, since it uses less digits than its factorization.

2551015345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 2551015345 is about 50507.5771048266. The cubic root of 2551015345 is about 1366.3785122870.

Adding to 2551015345 its reverse (5435101552), we get a palindrome (7986116897).

The spelling of 2551015345 in words is "two billion, five hundred fifty-one million, fifteen thousand, three hundred forty-five".