12480464655 has 24 divisors (see below), whose sum is σ = 21635516448. Its totient is φ = 6655413696.

The previous prime is 12480464651. The next prime is 12480464663. The reversal of 12480464655 is 55646408421.

It is a happy number.

12480464655 is a `hidden beast` number, since 124 + 8 + 0 + 464 + 65 + 5 = 666.

It is a Cunningham number, because it is equal to 111716²-1.

It is not a de Polignac number, because 12480464655 - 2² = 12480464651 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12480464655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12480464651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 547414 + ... + 569756.

It is an arithmetic number, because the mean of its divisors is an integer number (901479852).

Almost surely, 2^12480464655 is an apocalyptic number.

12480464655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12480464655 is a deficient number, since it is larger than the sum of its proper divisors (9155051793).

12480464655 is a wasteful number, since it uses less digits than its factorization.

12480464655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34767 (or 34764 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 12480464655 in words is "twelve billion, four hundred eighty million, four hundred sixty-four thousand, six hundred fifty-five".