1099950432864 has 96 divisors (see below), whose sum is σ = 2901075821280. Its totient is φ = 364913590272.

The previous prime is 1099950432821. The next prime is 1099950432871. The reversal of 1099950432864 is 4682340599901.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×1099950432864³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1099950432798 and 1099950432807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18378412 + ... + 18438164.

It is an arithmetic number, because the mean of its divisors is an integer number (30219539805).

Almost surely, 2^{1099950432864} is an apocalyptic number.

It is an amenable number.

1099950432864 is an abundant number, since it is smaller than the sum of its proper divisors (1801125388416).

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

1099950432864 is a wasteful number, since it uses less digits than its factorization.

1099950432864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60672 (or 60664 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 60.

The spelling of 1099950432864 in words is "one trillion, ninety-nine billion, nine hundred fifty million, four hundred thirty-two thousand, eight hundred sixty-four".