15450450150215 has 16 divisors (see below), whose sum is σ = 18546699908448. Its totient is φ = 12356254212096.

The previous prime is 15450450150197. The next prime is 15450450150251. The reversal of 15450450150215 is 51205105405451.

It is a cyclic number.

It is not a de Polignac number, because 15450450150215 - 2²² = 15450445955911 is a prime.

It is a super-3 number, since 3×15450450150215³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284391044 + ... + 284445366.

It is an arithmetic number, because the mean of its divisors is an integer number (1159168744278).

Almost surely, 2^{15450450150215} is an apocalyptic number.

15450450150215 is a deficient number, since it is larger than the sum of its proper divisors (3096249758233).

15450450150215 is a wasteful number, since it uses less digits than its factorization.

15450450150215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72178.

The product of its (nonzero) digits is 100000, while the sum is 38.

Adding to 15450450150215 its reverse (51205105405451), we get a palindrome (66655555555666).

The spelling of 15450450150215 in words is "fifteen trillion, four hundred fifty billion, four hundred fifty million, one hundred fifty thousand, two hundred fifteen".