6555251265 has 16 divisors (see below), whose sum is σ = 10490102208. Its totient is φ = 3495567296.

The previous prime is 6555251243. The next prime is 6555251279. The reversal of 6555251265 is 5621525556.

It is a cyclic number.

It is not a de Polignac number, because 6555251265 - 2⁶ = 6555251201 is a prime.

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, 70399 + ... + 134411.

It is an arithmetic number, because the mean of its divisors is an integer number (655631388).

Almost surely, 2^6555251265 is an apocalyptic number.

It is an amenable number.

6555251265 is a deficient number, since it is larger than the sum of its proper divisors (3934850943).

6555251265 is a wasteful number, since it uses less digits than its factorization.

6555251265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70848.

The product of its digits is 450000, while the sum is 42.

The square root of 6555251265 is about 80964.5062048797. The cubic root of 6555251265 is about 1871.5285113979.

The spelling of 6555251265 in words is "six billion, five hundred fifty-five million, two hundred fifty-one thousand, two hundred sixty-five".