1560100025561 has 24 divisors (see below), whose sum is σ = 1960780534272. Its totient is φ = 1215051076800.

The previous prime is 1560100025557. The next prime is 1560100025573. The reversal of 1560100025561 is 1655200010651.

It is not a de Polignac number, because 1560100025561 - 2² = 1560100025557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1560100025581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1225976 + ... + 2150166.

It is an arithmetic number, because the mean of its divisors is an integer number (81699188928).

Almost surely, 2^{1560100025561} is an apocalyptic number.

1560100025561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1560100025561 is a deficient number, since it is larger than the sum of its proper divisors (400680508711).

1560100025561 is a wasteful number, since it uses less digits than its factorization.

1560100025561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926213 (or 926202 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 1560100025561 in words is "one trillion, five hundred sixty billion, one hundred million, twenty-five thousand, five hundred sixty-one".