2550796970551 has 4 divisors (see below), whose sum is σ = 2564151928704. Its totient is φ = 2537442012400.

The previous prime is 2550796970549. The next prime is 2550796970563. The reversal of 2550796970551 is 1550796970552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2550796970551 - 2¹ = 2550796970549 is a prime.

It is a super-2 number, since 2×2550796970551² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2550796970551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550796976551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6677478790 + ... + 6677479171.

It is an arithmetic number, because the mean of its divisors is an integer number (641037982176).

Almost surely, 2^{2550796970551} is an apocalyptic number.

2550796970551 is a deficient number, since it is larger than the sum of its proper divisors (13354958153).

2550796970551 is a wasteful number, since it uses less digits than its factorization.

2550796970551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13354958152.

The product of its (nonzero) digits is 29767500, while the sum is 61.

Subtracting from 2550796970551 its reverse (1550796970552), we obtain a palindrome (999999999999).

The spelling of 2550796970551 in words is "two trillion, five hundred fifty billion, seven hundred ninety-six million, nine hundred seventy thousand, five hundred fifty-one".