15560655066551 has 8 divisors (see below), whose sum is σ = 17791402216224. Its totient is φ = 13331857023360.

The previous prime is 15560655066547. The next prime is 15560655066569. The reversal of 15560655066551 is 15566055606551.

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 15560655066551 - 2² = 15560655066547 is a prime.

It is a super-2 number, since 2×15560655066551² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15560655066751) 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, 487259510 + ... + 487291443.

It is an arithmetic number, because the mean of its divisors is an integer number (2223925277028).

Almost surely, 2^{15560655066551} is an apocalyptic number.

15560655066551 is a deficient number, since it is larger than the sum of its proper divisors (2230747149673).

15560655066551 is an equidigital number, since it uses as much as digits as its factorization.

15560655066551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974553241.

The product of its (nonzero) digits is 20250000, while the sum is 56.

The spelling of 15560655066551 in words is "fifteen trillion, five hundred sixty billion, six hundred fifty-five million, sixty-six thousand, five hundred fifty-one".