11660625003 has 4 divisors (see below), whose sum is σ = 15547500008. Its totient is φ = 7773750000.

The previous prime is 11660625001. The next prime is 11660625019. The reversal of 11660625003 is 30052606611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30052606611 = 3 ⋅10017535537.

It is not a de Polignac number, because 11660625003 - 2¹ = 11660625001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11660625001) 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, 1943437498 + ... + 1943437503.

It is an arithmetic number, because the mean of its divisors is an integer number (3886875002).

Almost surely, 2^11660625003 is an apocalyptic number.

11660625003 is a deficient number, since it is larger than the sum of its proper divisors (3886875005).

11660625003 is an equidigital number, since it uses as much as digits as its factorization.

11660625003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886875004.

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 11660625003 in words is "eleven billion, six hundred sixty million, six hundred twenty-five thousand, three".