252675781518 has 8 divisors (see below), whose sum is σ = 505351563048. Its totient is φ = 84225260504.

The previous prime is 252675781493. The next prime is 252675781543. The reversal of 252675781518 is 815187576252.

252675781518 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (252675781493) and next prime (252675781543).

It is a sphenic number, since it is the product of 3 distinct primes.

252675781518 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21056315121 + ... + 21056315132.

It is an arithmetic number, because the mean of its divisors is an integer number (63168945381).

Almost surely, 2^252675781518 is an apocalyptic number.

252675781518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

252675781518 is a wasteful number, since it uses less digits than its factorization.

252675781518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42112630258.

The product of its digits is 9408000, while the sum is 57.

The spelling of 252675781518 in words is "two hundred fifty-two billion, six hundred seventy-five million, seven hundred eighty-one thousand, five hundred eighteen".