15251234216 has 16 divisors (see below), whose sum is σ = 28597727700. Its totient is φ = 7625173504.

The previous prime is 15251234177. The next prime is 15251234237. The reversal of 15251234216 is 61243215251.

15251234216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 14364981316 + 886252900 = 119854^2 + 29770^2 .

It is a super-2 number, since 2×15251234216² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125336 + ... + 214968.

Almost surely, 2^15251234216 is an apocalyptic number.

It is an amenable number.

15251234216 is a deficient number, since it is larger than the sum of its proper divisors (13346493484).

15251234216 is a wasteful number, since it uses less digits than its factorization.

15251234216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110908 (or 110904 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

Adding to 15251234216 its reverse (61243215251), we get a palindrome (76494449467).

The spelling of 15251234216 in words is "fifteen billion, two hundred fifty-one million, two hundred thirty-four thousand, two hundred sixteen".