1248764879528 has 32 divisors (see below), whose sum is σ = 2376537290400. Its totient is φ = 615022828992.

The previous prime is 1248764879521. The next prime is 1248764879543. The reversal of 1248764879528 is 8259784678421.

It is not an unprimeable number, because it can be changed into a prime (1248764879521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9101258 + ... + 9237446.

It is an arithmetic number, because the mean of its divisors is an integer number (74266790325).

Almost surely, 2^{1248764879528} is an apocalyptic number.

It is an amenable number.

1248764879528 is a deficient number, since it is larger than the sum of its proper divisors (1127772410872).

1248764879528 is a wasteful number, since it uses less digits than its factorization.

1248764879528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153369 (or 153365 counting only the distinct ones).

The product of its digits is 433520640, while the sum is 71.

The spelling of 1248764879528 in words is "one trillion, two hundred forty-eight billion, seven hundred sixty-four million, eight hundred seventy-nine thousand, five hundred twenty-eight".