2651225555 has 64 divisors (see below), whose sum is σ = 3683377152. Its totient is φ = 1829520000.

The previous prime is 2651225537. The next prime is 2651225561. The reversal of 2651225555 is 5555221562.

It is not a de Polignac number, because 2651225555 - 2²⁰ = 2650176979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14647565 + ... + 14647745.

It is an arithmetic number, because the mean of its divisors is an integer number (57552768).

Almost surely, 2^2651225555 is an apocalyptic number.

2651225555 is a deficient number, since it is larger than the sum of its proper divisors (1032151597).

2651225555 is a wasteful number, since it uses less digits than its factorization.

2651225555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 299 counting only the distinct ones).

The product of its digits is 150000, while the sum is 38.

The square root of 2651225555 is about 51490.0529714235. The cubic root of 2651225555 is about 1384.0407986556.

The spelling of 2651225555 in words is "two billion, six hundred fifty-one million, two hundred twenty-five thousand, five hundred fifty-five".