15532150242 has 24 divisors (see below), whose sum is σ = 36136023696. Its totient is φ = 4437757128.

The previous prime is 15532150199. The next prime is 15532150247. The reversal of 15532150242 is 24205123551.

It is a super-2 number, since 2×15532150242² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15532150247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26414928 + ... + 26415515.

It is an arithmetic number, because the mean of its divisors is an integer number (1505667654).

Almost surely, 2^15532150242 is an apocalyptic number.

15532150242 is an abundant number, since it is smaller than the sum of its proper divisors (20603873454).

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

15532150242 is a wasteful number, since it uses less digits than its factorization.

15532150242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52830462 (or 52830455 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 15532150242 its reverse (24205123551), we get a palindrome (39737273793).

The spelling of 15532150242 in words is "fifteen billion, five hundred thirty-two million, one hundred fifty thousand, two hundred forty-two".