15532150247 has 2 divisors, whose sum is σ = 15532150248. Its totient is φ = 15532150246.

The previous prime is 15532150199. The next prime is 15532150261. The reversal of 15532150247 is 74205123551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15532150247 - 2²² = 15527955943 is a prime.

It is a super-2 number, since 2×15532150247² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15532150297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7766075123 + 7766075124.

It is an arithmetic number, because the mean of its divisors is an integer number (7766075124).

Almost surely, 2^15532150247 is an apocalyptic number.

15532150247 is a deficient number, since it is larger than the sum of its proper divisors (1).

15532150247 is an equidigital number, since it uses as much as digits as its factorization.

15532150247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42000, while the sum is 35.

Adding to 15532150247 its reverse (74205123551), we get a palindrome (89737273798).

The spelling of 15532150247 in words is "fifteen billion, five hundred thirty-two million, one hundred fifty thousand, two hundred forty-seven".