215211360045 has 64 divisors (see below), whose sum is σ = 381877659648. Its totient is φ = 102626400000.

The previous prime is 215211360037. The next prime is 215211360101. The reversal of 215211360045 is 540063112512.

It is not a de Polignac number, because 215211360045 - 2³ = 215211360037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 215211359994 and 215211360021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2473654 + ... + 2559176.

It is an arithmetic number, because the mean of its divisors is an integer number (5966838432).

Almost surely, 2^215211360045 is an apocalyptic number.

It is an amenable number.

215211360045 is a deficient number, since it is larger than the sum of its proper divisors (166666299603).

215211360045 is a wasteful number, since it uses less digits than its factorization.

215211360045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85794.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 215211360045 its reverse (540063112512), we get a palindrome (755274472557).

The spelling of 215211360045 in words is "two hundred fifteen billion, two hundred eleven million, three hundred sixty thousand, forty-five".