6755559915 has 64 divisors (see below), whose sum is σ = 12284213760. Its totient is φ = 3142748160.

The previous prime is 6755559907. The next prime is 6755559919. The reversal of 6755559915 is 5199555576.

Together with 5528653844 it forms a betrothed pair.

It is not a de Polignac number, because 6755559915 - 2³ = 6755559907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (6755559919) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1602160 + ... + 1606370.

It is an arithmetic number, because the mean of its divisors is an integer number (191940840).

Almost surely, 2^6755559915 is an apocalyptic number.

6755559915 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6755559915 is a deficient number, since it is larger than the sum of its proper divisors (5528653845).

6755559915 is a wasteful number, since it uses less digits than its factorization.

6755559915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684.

The product of its digits is 10631250, while the sum is 57.

The square root of 6755559915 is about 82192.2132260715. The cubic root of 6755559915 is about 1890.4003253231.

The spelling of 6755559915 in words is "six billion, seven hundred fifty-five million, five hundred fifty-nine thousand, nine hundred fifteen".