1248748751250 has 1680 divisors, whose sum is σ = 4842680496192. Its totient is φ = 233046720000.

The previous prime is 1248748751227. The next prime is 1248748751309. The reversal of 1248748751250 is 521578478421.

1248748751250 is a `hidden beast` number, since 1 + 2 + 4 + 8 + 74 + 8 + 7 + 512 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 839 ways as a sum of consecutive naturals, for example, 33749966232 + ... + 33749966268.

Almost surely, 2^{1248748751250} is an apocalyptic number.

1248748751250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1248748751250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2421340248096).

1248748751250 is an abundant number, since it is smaller than the sum of its proper divisors (3593931744942).

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

1248748751250 is an equidigital number, since it uses as much as digits as its factorization.

1248748751250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 54.

The spelling of 1248748751250 in words is "one trillion, two hundred forty-eight billion, seven hundred forty-eight million, seven hundred fifty-one thousand, two hundred fifty".