243215012566675 has 24 divisors (see below), whose sum is σ = 305444454522480. Its totient is φ = 192086526643200.

The previous prime is 243215012566663. The next prime is 243215012566711. The reversal of 243215012566675 is 576665210512342.

It is not a de Polignac number, because 243215012566675 - 2⁴⁵ = 208030640477843 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40236930 + ... + 45885079.

It is an arithmetic number, because the mean of its divisors is an integer number (12726852271770).

Almost surely, 2^{243215012566675} is an apocalyptic number.

243215012566675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

243215012566675 is a deficient number, since it is larger than the sum of its proper divisors (62229441955805).

243215012566675 is a wasteful number, since it uses less digits than its factorization.

243215012566675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86123463 (or 86123458 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 55.

The spelling of 243215012566675 in words is "two hundred forty-three trillion, two hundred fifteen billion, twelve million, five hundred sixty-six thousand, six hundred seventy-five".