1103601625 has 16 divisors (see below), whose sum is σ = 1574052480. Its totient is φ = 756754800.

The previous prime is 1103601623. The next prime is 1103601673. The reversal of 1103601625 is 5261063011.

It is not a de Polignac number, because 1103601625 - 2¹ = 1103601623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1103601625.

It is not an unprimeable number, because it can be changed into a prime (1103601623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629755 + ... + 631504.

It is an arithmetic number, because the mean of its divisors is an integer number (98378280).

Almost surely, 2^1103601625 is an apocalyptic number.

It is an amenable number.

1103601625 is a deficient number, since it is larger than the sum of its proper divisors (470450855).

1103601625 is an equidigital number, since it uses as much as digits as its factorization.

1103601625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261281 (or 1261271 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1103601625 is about 33220.5000714920. The cubic root of 1103601625 is about 1033.4055201623.

Adding to 1103601625 its reverse (5261063011), we get a palindrome (6364664636).

It can be divided in two parts, 110360162 and 5, that multiplied together give a triangular number (551800810 = T₃₃₂₂₀).

The spelling of 1103601625 in words is "one billion, one hundred three million, six hundred one thousand, six hundred twenty-five".