15115223214102 has 32 divisors (see below), whose sum is σ = 33009693131520. Its totient is φ = 4576061740320.

The previous prime is 15115223214019. The next prime is 15115223214103. The reversal of 15115223214102 is 20141232251151.

It is a self number, because there is not a number n which added to its sum of digits gives 15115223214102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15115223214103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107652577 + ... + 107792892.

It is an arithmetic number, because the mean of its divisors is an integer number (1031552910360).

Almost surely, 2^{15115223214102} is an apocalyptic number.

15115223214102 is an abundant number, since it is smaller than the sum of its proper divisors (17894469917418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15115223214102 is a wasteful number, since it uses less digits than its factorization.

15115223214102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215446548.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 15115223214102 its reverse (20141232251151), we get a palindrome (35256455465253).

The spelling of 15115223214102 in words is "fifteen trillion, one hundred fifteen billion, two hundred twenty-three million, two hundred fourteen thousand, one hundred two".