1000800915552 has 96 divisors (see below), whose sum is σ = 2919249214560. Its totient is φ = 333572129280.

The previous prime is 1000800915533. The next prime is 1000800915577. The reversal of 1000800915552 is 2555190080001.

It is a happy number.

1000800915552 is a `hidden beast` number, since 10 + 0 + 0 + 8 + 0 + 0 + 91 + 5 + 552 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11864758 + ... + 11948810.

It is an arithmetic number, because the mean of its divisors is an integer number (30408845985).

Almost surely, 2^{1000800915552} is an apocalyptic number.

1000800915552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000800915552 is an abundant number, since it is smaller than the sum of its proper divisors (1918448299008).

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

1000800915552 is a wasteful number, since it uses less digits than its factorization.

1000800915552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97853 (or 97839 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 36.

Adding to 1000800915552 its reverse (2555190080001), we get a palindrome (3555990995553).

The spelling of 1000800915552 in words is "one trillion, eight hundred million, nine hundred fifteen thousand, five hundred fifty-two".