1248315979880 has 32 divisors (see below), whose sum is σ = 2808753373440. Its totient is φ = 499318850880.

The previous prime is 1248315979879. The next prime is 1248315979891. The reversal of 1248315979880 is 889795138421.

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, 2991665 + ... + 3383295.

It is an arithmetic number, because the mean of its divisors is an integer number (87773542920).

Almost surely, 2^{1248315979880} is an apocalyptic number.

1248315979880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1248315979880 is an abundant number, since it is smaller than the sum of its proper divisors (1560437393560).

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

1248315979880 is a wasteful number, since it uses less digits than its factorization.

1248315979880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471329 (or 471325 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 65.

The spelling of 1248315979880 in words is "one trillion, two hundred forty-eight billion, three hundred fifteen million, nine hundred seventy-nine thousand, eight hundred eighty".