252800278015 has 8 divisors (see below), whose sum is σ = 304948608768. Its totient is φ = 201181372320.

The previous prime is 252800277997. The next prime is 252800278057. The reversal of 252800278015 is 510872008252.

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

It is not a de Polignac number, because 252800278015 - 2⁷ = 252800277887 is a prime.

It is a super-2 number, since 2×252800278015² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132355212 + ... + 132357121.

It is an arithmetic number, because the mean of its divisors is an integer number (38118576096).

Almost surely, 2^252800278015 is an apocalyptic number.

252800278015 is a deficient number, since it is larger than the sum of its proper divisors (52148330753).

252800278015 is a wasteful number, since it uses less digits than its factorization.

252800278015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264712529.

The product of its (nonzero) digits is 89600, while the sum is 40.

The spelling of 252800278015 in words is "two hundred fifty-two billion, eight hundred million, two hundred seventy-eight thousand, fifteen".