6521109048 has 48 divisors (see below), whose sum is σ = 17960693400. Its totient is φ = 2136859200.

The previous prime is 6521108987. The next prime is 6521109059. The reversal of 6521109048 is 8409011256.

6521109048 is a `hidden beast` number, since 6 + 521 + 1 + 0 + 90 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 763303 + ... + 771798.

Almost surely, 2^6521109048 is an apocalyptic number.

It is an amenable number.

6521109048 is an abundant number, since it is smaller than the sum of its proper divisors (11439584352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6521109048 is a wasteful number, since it uses less digits than its factorization.

6521109048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535172 (or 1535165 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 6521109048 is about 80753.3841272302. The cubic root of 6521109048 is about 1868.2736455779.

The spelling of 6521109048 in words is "six billion, five hundred twenty-one million, one hundred nine thousand, forty-eight".