215225524054142 has 12 divisors (see below), whose sum is σ = 375546577686480. Its totient is φ = 92239510308876.

The previous prime is 215225524054109. The next prime is 215225524054169. The reversal of 215225524054142 is 241450425522512.

It is a junction number, because it is equal to n+sod(n) for n = 215225524054093 and 215225524054102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1098089408342 + ... + 1098089408537.

It is an arithmetic number, because the mean of its divisors is an integer number (31295548140540).

Almost surely, 2^{215225524054142} is an apocalyptic number.

215225524054142 is a deficient number, since it is larger than the sum of its proper divisors (160321053632338).

215225524054142 is a wasteful number, since it uses less digits than its factorization.

215225524054142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196178816895 (or 2196178816888 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 44.

Adding to 215225524054142 its reverse (241450425522512), we get a palindrome (456675949576654).

The spelling of 215225524054142 in words is "two hundred fifteen trillion, two hundred twenty-five billion, five hundred twenty-four million, fifty-four thousand, one hundred forty-two".