1872564003912 has 256 divisors, whose sum is σ = 5435440496640. Its totient is φ = 526579958016.

The previous prime is 1872564003907. The next prime is 1872564003917. The reversal of 1872564003912 is 2193004652781.

It is an interprime number because it is at equal distance from previous prime (1872564003907) and next prime (1872564003917).

It is not an unprimeable number, because it can be changed into a prime (1872564003917) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1722689433 + ... + 1722690519.

It is an arithmetic number, because the mean of its divisors is an integer number (21232189440).

It is a 1-persistent number, because it is pandigital, but 2⋅1872564003912 = 3745128007824 is not.

Almost surely, 2^{1872564003912} is an apocalyptic number.

1872564003912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1872564003912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2717720248320).

1872564003912 is an abundant number, since it is smaller than the sum of its proper divisors (3562876492728).

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

1872564003912 is a wasteful number, since it uses less digits than its factorization.

1872564003912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800 (or 1796 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 1872564003912 in words is "one trillion, eight hundred seventy-two billion, five hundred sixty-four million, three thousand, nine hundred twelve".