1005121448860 has 12 divisors (see below), whose sum is σ = 2110755042648. Its totient is φ = 402048579536.

The previous prime is 1005121448803. The next prime is 1005121448897. The reversal of 1005121448860 is 688441215001.

It is a super-3 number, since 3×1005121448860³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25128036202 + ... + 25128036241.

It is an arithmetic number, because the mean of its divisors is an integer number (175896253554).

Almost surely, 2^{1005121448860} is an apocalyptic number.

1005121448860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005121448860 is an abundant number, since it is smaller than the sum of its proper divisors (1105633593788).

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

1005121448860 is a wasteful number, since it uses less digits than its factorization.

1005121448860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50256072452 (or 50256072450 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 1005121448860 in words is "one trillion, five billion, one hundred twenty-one million, four hundred forty-eight thousand, eight hundred sixty".