6615560010551 has 6 divisors (see below), whose sum is σ = 6915698839560. Its totient is φ = 6327926966108.

The previous prime is 6615560010533. The next prime is 6615560010589. The reversal of 6615560010551 is 1550100655166.

It is not a de Polignac number, because 6615560010551 - 2¹⁴ = 6615559994167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6615560010499 and 6615560010508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6615560010151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6252891731 + ... + 6252892788.

It is an arithmetic number, because the mean of its divisors is an integer number (1152616473260).

Almost surely, 2^{6615560010551} is an apocalyptic number.

6615560010551 is a deficient number, since it is larger than the sum of its proper divisors (300138829009).

6615560010551 is a wasteful number, since it uses less digits than its factorization.

6615560010551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12505784565 (or 12505784542 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 6615560010551 in words is "six trillion, six hundred fifteen billion, five hundred sixty million, ten thousand, five hundred fifty-one".