1551560501560 has 64 divisors (see below), whose sum is σ = 3621733632000. Its totient is φ = 597585859200.

The previous prime is 1551560501509. The next prime is 1551560501563. The reversal of 1551560501560 is 651050651551.

It is a super-2 number, since 2×1551560501560² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1551560501563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2897106 + ... + 3390625.

It is an arithmetic number, because the mean of its divisors is an integer number (56589588000).

Almost surely, 2^{1551560501560} is an apocalyptic number.

1551560501560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1551560501560 is an abundant number, since it is smaller than the sum of its proper divisors (2070173130440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1551560501560 is a wasteful number, since it uses less digits than its factorization.

1551560501560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6287972 (or 6287968 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 1551560501560 in words is "one trillion, five hundred fifty-one billion, five hundred sixty million, five hundred one thousand, five hundred sixty".