103501551225 has 24 divisors (see below), whose sum is σ = 171203130592. Its totient is φ = 55174838400.

The previous prime is 103501551191. The next prime is 103501551233. The reversal of 103501551225 is 522155105301.

It is not a de Polignac number, because 103501551225 - 2¹² = 103501547129 is a prime.

It is a super-2 number, since 2×103501551225² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103501551192 and 103501551201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163972 + ... + 483621.

Almost surely, 2^103501551225 is an apocalyptic number.

103501551225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103501551225 is a deficient number, since it is larger than the sum of its proper divisors (67701579367).

103501551225 is a wasteful number, since it uses less digits than its factorization.

103501551225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649737 (or 649732 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

Adding to 103501551225 its reverse (522155105301), we get a palindrome (625656656526).

The spelling of 103501551225 in words is "one hundred three billion, five hundred one million, five hundred fifty-one thousand, two hundred twenty-five".