11649000103 has 4 divisors (see below), whose sum is σ = 12545077048. Its totient is φ = 10752923160.

The previous prime is 11649000101. The next prime is 11649000119. The reversal of 11649000103 is 30100094611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11649000103 - 2¹ = 11649000101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11649000101) 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, 448038453 + ... + 448038478.

It is an arithmetic number, because the mean of its divisors is an integer number (3136269262).

Almost surely, 2^11649000103 is an apocalyptic number.

11649000103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11649000103 is a deficient number, since it is larger than the sum of its proper divisors (896076945).

11649000103 is an equidigital number, since it uses as much as digits as its factorization.

11649000103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896076944.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 11649000103 its reverse (30100094611), we get a palindrome (41749094714).

The spelling of 11649000103 in words is "eleven billion, six hundred forty-nine million, one hundred three", and thus it is an aban number.