2551022351215 has 16 divisors (see below), whose sum is σ = 3296820548448. Its totient is φ = 1883766324096.

The previous prime is 2551022351071. The next prime is 2551022351261. The reversal of 2551022351215 is 5121532201552.

It is a cyclic number.

It is not a de Polignac number, because 2551022351215 - 2²¹ = 2551020254063 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1240297 + ... + 2576893.

It is an arithmetic number, because the mean of its divisors is an integer number (206051284278).

Almost surely, 2^{2551022351215} is an apocalyptic number.

2551022351215 is a deficient number, since it is larger than the sum of its proper divisors (745798197233).

2551022351215 is a wasteful number, since it uses less digits than its factorization.

2551022351215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365978.

The product of its (nonzero) digits is 30000, while the sum is 34.

Adding to 2551022351215 its reverse (5121532201552), we get a palindrome (7672554552767).

The spelling of 2551022351215 in words is "two trillion, five hundred fifty-one billion, twenty-two million, three hundred fifty-one thousand, two hundred fifteen".