215142301605110 has 64 divisors (see below), whose sum is σ = 425013238840320. Its totient is φ = 77762276843520.

The previous prime is 215142301605109. The next prime is 215142301605139. The reversal of 215142301605110 is 11506103241512.

It is a super-2 number, since 2×215142301605110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5054051 + ... + 21350129.

It is an arithmetic number, because the mean of its divisors is an integer number (6640831856880).

Almost surely, 2^{215142301605110} is an apocalyptic number.

215142301605110 is a deficient number, since it is larger than the sum of its proper divisors (209870937235210).

215142301605110 is a wasteful number, since it uses less digits than its factorization.

215142301605110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16296821.

The product of its (nonzero) digits is 7200, while the sum is 32.

Adding to 215142301605110 its reverse (11506103241512), we get a palindrome (226648404846622).

The spelling of 215142301605110 in words is "two hundred fifteen trillion, one hundred forty-two billion, three hundred one million, six hundred five thousand, one hundred ten".