103201551520 has 24 divisors (see below), whose sum is σ = 243813665844. Its totient is φ = 41280620544.

The previous prime is 103201551491. The next prime is 103201551527. The reversal of 103201551520 is 25155102301.

103201551520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 101712517776 + 1489033744 = 318924^2 + 38588^2 .

It is a super-2 number, since 2×103201551520² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103201551527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322504689 + ... + 322505008.

Almost surely, 2^103201551520 is an apocalyptic number.

103201551520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103201551520 is an abundant number, since it is smaller than the sum of its proper divisors (140612114324).

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

103201551520 is an equidigital number, since it uses as much as digits as its factorization.

103201551520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645009712 (or 645009704 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 103201551520 its reverse (25155102301), we get a palindrome (128356653821).

The spelling of 103201551520 in words is "one hundred three billion, two hundred one million, five hundred fifty-one thousand, five hundred twenty".