1099766878252 has 24 divisors (see below), whose sum is σ = 2200073218560. Its totient is φ = 471213063120.

The previous prime is 1099766878247. The next prime is 1099766878271. The reversal of 1099766878252 is 2528786679901.

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, 4700374 + ... + 4928797.

It is an arithmetic number, because the mean of its divisors is an integer number (91669717440).

Almost surely, 2^{1099766878252} is an apocalyptic number.

It is an amenable number.

1099766878252 is an abundant number, since it is smaller than the sum of its proper divisors (1100306340308).

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

1099766878252 is a wasteful number, since it uses less digits than its factorization.

1099766878252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9633261 (or 9633259 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 70.

The spelling of 1099766878252 in words is "one trillion, ninety-nine billion, seven hundred sixty-six million, eight hundred seventy-eight thousand, two hundred fifty-two".