214858817125 has 16 divisors (see below), whose sum is σ = 269098096176. Its totient is φ = 171275328000.

The previous prime is 214858817119. The next prime is 214858817137. The reversal of 214858817125 is 521718858412.

It can be written as a sum of positive squares in 8 ways, for example, as 108310759236 + 106548057889 = 329106^2 + 326417^2 .

It is not a de Polignac number, because 214858817125 - 2¹³ = 214858808933 is a prime.

It is a super-2 number, since 2×214858817125² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3023364 + ... + 3093613.

It is an arithmetic number, because the mean of its divisors is an integer number (16818631011).

Almost surely, 2^214858817125 is an apocalyptic number.

214858817125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

214858817125 is a deficient number, since it is larger than the sum of its proper divisors (54239279051).

214858817125 is an equidigital number, since it uses as much as digits as its factorization.

214858817125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6117273 (or 6117263 counting only the distinct ones).

The product of its digits is 1433600, while the sum is 52.

The spelling of 214858817125 in words is "two hundred fourteen billion, eight hundred fifty-eight million, eight hundred seventeen thousand, one hundred twenty-five".