103561232512 has 16 divisors (see below), whose sum is σ = 206313393150. Its totient is φ = 51780616192.

The previous prime is 103561232471. The next prime is 103561232549. The reversal of 103561232512 is 215232165301.

It can be written as a sum of positive squares in only one way, i.e., 103339103296 + 222129216 = 321464^2 + 14904^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×103561232512³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404535937 + ... + 404536192.

Almost surely, 2^103561232512 is an apocalyptic number.

It is an amenable number.

103561232512 is a deficient number, since it is larger than the sum of its proper divisors (102752160638).

103561232512 is an frugal number, since it uses more digits than its factorization.

103561232512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809072143 (or 809072131 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 103561232512 its reverse (215232165301), we get a palindrome (318793397813).

The spelling of 103561232512 in words is "one hundred three billion, five hundred sixty-one million, two hundred thirty-two thousand, five hundred twelve".