1305451000560 has 80 divisors (see below), whose sum is σ = 4625026407936. Its totient is φ = 298388799744.

The previous prime is 1305451000523. The next prime is 1305451000561. The reversal of 1305451000560 is 650001545031.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305451000561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388525404 + ... + 388528763.

Almost surely, 2^{1305451000560} is an apocalyptic number.

1305451000560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1305451000560 is an abundant number, since it is smaller than the sum of its proper divisors (3319575407376).

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

1305451000560 is a wasteful number, since it uses less digits than its factorization.

1305451000560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777054190 (or 777054184 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 1305451000560 its reverse (650001545031), we get a palindrome (1955452545591).

The spelling of 1305451000560 in words is "one trillion, three hundred five billion, four hundred fifty-one million, five hundred sixty", and thus it is an aban number.