215455010245 has 16 divisors (see below), whose sum is σ = 266591703168. Its totient is φ = 167037336000.

The previous prime is 215455010213. The next prime is 215455010297. The reversal of 215455010245 is 542010554512.

It is not a de Polignac number, because 215455010245 - 2⁵ = 215455010213 is a prime.

It is a super-2 number, since 2×215455010245² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 215455010245.

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, 2273529 + ... + 2366398.

It is an arithmetic number, because the mean of its divisors is an integer number (16661981448).

Almost surely, 2^215455010245 is an apocalyptic number.

It is an amenable number.

215455010245 is a deficient number, since it is larger than the sum of its proper divisors (51136692923).

215455010245 is a wasteful number, since it uses less digits than its factorization.

215455010245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4640220.

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 215455010245 its reverse (542010554512), we get a palindrome (757465564757).

The spelling of 215455010245 in words is "two hundred fifteen billion, four hundred fifty-five million, ten thousand, two hundred forty-five".