12765483657280 has 56 divisors (see below), whose sum is σ = 31104733758912. Its totient is φ = 4987444772352.

The previous prime is 12765483657247. The next prime is 12765483657313. The reversal of 12765483657280 is 8275638456721.

It is an interprime number because it is at equal distance from previous prime (12765483657247) and next prime (12765483657313).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463848292 + ... + 463875811.

Almost surely, 2^{12765483657280} is an apocalyptic number.

12765483657280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12765483657280 is an abundant number, since it is smaller than the sum of its proper divisors (18339250101632).

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

12765483657280 is an equidigital number, since it uses as much as digits as its factorization.

12765483657280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927724163 (or 927724153 counting only the distinct ones).

The product of its (nonzero) digits is 135475200, while the sum is 64.

The spelling of 12765483657280 in words is "twelve trillion, seven hundred sixty-five billion, four hundred eighty-three million, six hundred fifty-seven thousand, two hundred eighty".