1560056655551 has 8 divisors (see below), whose sum is σ = 1642339398000. Its totient is φ = 1477791362880.

The previous prime is 1560056655427. The next prime is 1560056655613. The reversal of 1560056655551 is 1555566500651.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1560056655551 is a prime.

It is a super-2 number, since 2×1560056655551² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1560056655551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1560056655251) 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, 4178726 + ... + 4536723.

It is an arithmetic number, because the mean of its divisors is an integer number (205292424750).

Almost surely, 2^{1560056655551} is an apocalyptic number.

1560056655551 is a deficient number, since it is larger than the sum of its proper divisors (82282742449).

1560056655551 is an equidigital number, since it uses as much as digits as its factorization.

1560056655551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8724889.

The product of its (nonzero) digits is 3375000, while the sum is 50.

The spelling of 1560056655551 in words is "one trillion, five hundred sixty billion, fifty-six million, six hundred fifty-five thousand, five hundred fifty-one".