12545069580 has 144 divisors (see below), whose sum is σ = 40141920000. Its totient is φ = 3162499200.

The previous prime is 12545069567. The next prime is 12545069597. The reversal of 12545069580 is 8596054521.

12545069580 is a `hidden beast` number, since 1 + 2 + 5 + 4 + 5 + 0 + 69 + 580 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1702905 + ... + 1710255.

Almost surely, 2^12545069580 is an apocalyptic number.

12545069580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12545069580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20070960000).

12545069580 is an abundant number, since it is smaller than the sum of its proper divisors (27596850420).

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

12545069580 is a wasteful number, since it uses less digits than its factorization.

12545069580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7884 (or 7879 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 12545069580 in words is "twelve billion, five hundred forty-five million, sixty-nine thousand, five hundred eighty".