1561560000552 has 64 divisors (see below), whose sum is σ = 4343367081600. Its totient is φ = 519835950720.

The previous prime is 1561560000547. The next prime is 1561560000577. The reversal of 1561560000552 is 2550000651651.

1561560000552 is a `hidden beast` number, since 1 + 56 + 1 + 56 + 0 + 0 + 0 + 0 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4585588 + ... + 4914339.

It is an arithmetic number, because the mean of its divisors is an integer number (67865110650).

Almost surely, 2^{1561560000552} is an apocalyptic number.

1561560000552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1561560000552 is an abundant number, since it is smaller than the sum of its proper divisors (2781807081048).

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

1561560000552 is a wasteful number, since it uses less digits than its factorization.

1561560000552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9500703 (or 9500693 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 1561560000552 in words is "one trillion, five hundred sixty-one billion, five hundred sixty million, five hundred fifty-two", and thus it is an aban number.