15532150225 has 12 divisors (see below), whose sum is σ = 19446858496. Its totient is φ = 12305080080.

The previous prime is 15532150199. The next prime is 15532150247. The reversal of 15532150225 is 52205123551.

It is a de Polignac number, because none of the positive numbers 2^k-15532150225 is a prime.

It is a super-2 number, since 2×15532150225² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3013377 + ... + 3018526.

Almost surely, 2^15532150225 is an apocalyptic number.

It is an amenable number.

15532150225 is a deficient number, since it is larger than the sum of its proper divisors (3914708271).

15532150225 is a wasteful number, since it uses less digits than its factorization.

15532150225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6032016 (or 6032011 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 15532150225 its reverse (52205123551), we get a palindrome (67737273776).

The spelling of 15532150225 in words is "fifteen billion, five hundred thirty-two million, one hundred fifty thousand, two hundred twenty-five".