6615100551 has 8 divisors (see below), whose sum is σ = 8869409280. Its totient is φ = 4385429432.

The previous prime is 6615100543. The next prime is 6615100567. The reversal of 6615100551 is 1550015166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6615100551 - 2³ = 6615100543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6615100511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6158775 + ... + 6159848.

It is an arithmetic number, because the mean of its divisors is an integer number (1108676160).

Almost surely, 2^6615100551 is an apocalyptic number.

6615100551 is a deficient number, since it is larger than the sum of its proper divisors (2254308729).

6615100551 is a wasteful number, since it uses less digits than its factorization.

6615100551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12318805.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 6615100551 is about 81333.2684145916. The cubic root of 6615100551 is about 1877.2069350720.

The spelling of 6615100551 in words is "six billion, six hundred fifteen million, one hundred thousand, five hundred fifty-one".