12553563480 has 32 divisors (see below), whose sum is σ = 37660690800. Its totient is φ = 3347616896.

The previous prime is 12553563469. The next prime is 12553563481. The reversal of 12553563480 is 8436535521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12553563481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52306395 + ... + 52306634.

Almost surely, 2^12553563480 is an apocalyptic number.

12553563480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12553563480 is an abundant number, since it is smaller than the sum of its proper divisors (25107127320).

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

12553563480 is a wasteful number, since it uses less digits than its factorization.

12553563480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104613043 (or 104613039 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 12553563480 in words is "twelve billion, five hundred fifty-three million, five hundred sixty-three thousand, four hundred eighty".