1248855570516 has 48 divisors (see below), whose sum is σ = 2952164698560. Its totient is φ = 410861495040.

The previous prime is 1248855570493. The next prime is 1248855570533. The reversal of 1248855570516 is 6150755588421.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1462465 + ... + 2153256.

It is an arithmetic number, because the mean of its divisors is an integer number (61503431220).

Almost surely, 2^{1248855570516} is an apocalyptic number.

It is an amenable number.

1248855570516 is an abundant number, since it is smaller than the sum of its proper divisors (1703309128044).

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

1248855570516 is a wasteful number, since it uses less digits than its factorization.

1248855570516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616104 (or 3616102 counting only the distinct ones).

The product of its (nonzero) digits is 13440000, while the sum is 57.

The spelling of 1248855570516 in words is "one trillion, two hundred forty-eight billion, eight hundred fifty-five million, five hundred seventy thousand, five hundred sixteen".