1248000800256 has 120 divisors (see below), whose sum is σ = 4116359888784. Its totient is φ = 356571648000.

The previous prime is 1248000800239. The next prime is 1248000800273. The reversal of 1248000800256 is 6520080008421.

It is an interprime number because it is at equal distance from previous prime (1248000800239) and next prime (1248000800273).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1248000800256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19312995 + ... + 19377506.

Almost surely, 2^{1248000800256} is an apocalyptic number.

1248000800256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1248000800256 is an abundant number, since it is smaller than the sum of its proper divisors (2868359088528).

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

1248000800256 is an equidigital number, since it uses as much as digits as its factorization.

1248000800256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38690532 (or 38690513 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

Adding to 1248000800256 its reverse (6520080008421), we get a palindrome (7768080808677).

The spelling of 1248000800256 in words is "one trillion, two hundred forty-eight billion, eight hundred thousand, two hundred fifty-six".