2550721105 has 32 divisors (see below), whose sum is σ = 3156392448. Its totient is φ = 1978214400.

The previous prime is 2550721087. The next prime is 2550721141. The reversal of 2550721105 is 5011270552.

It is not a de Polignac number, because 2550721105 - 2⁵ = 2550721073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9412120 + ... + 9412390.

It is an arithmetic number, because the mean of its divisors is an integer number (98637264).

Almost surely, 2^2550721105 is an apocalyptic number.

It is an amenable number.

2550721105 is a deficient number, since it is larger than the sum of its proper divisors (605671343).

2550721105 is a wasteful number, since it uses less digits than its factorization.

2550721105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 2550721105 is about 50504.6641905478. The cubic root of 2550721105 is about 1366.3259765162.

Adding to 2550721105 its reverse (5011270552), we get a palindrome (7561991657).

The spelling of 2550721105 in words is "two billion, five hundred fifty million, seven hundred twenty-one thousand, one hundred five".