11500610003 has 4 divisors (see below), whose sum is σ = 11781112728. Its totient is φ = 11220107280.

The previous prime is 11500609969. The next prime is 11500610053. The reversal of 11500610003 is 30001600511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30001600511 = 3089 ⋅9712399.

It is a cyclic number.

It is not a de Polignac number, because 11500610003 - 2¹⁰ = 11500608979 is a prime.

It is a super-2 number, since 2×11500610003² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11500610053) 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, 140251301 + ... + 140251382.

It is an arithmetic number, because the mean of its divisors is an integer number (2945278182).

Almost surely, 2^11500610003 is an apocalyptic number.

11500610003 is a deficient number, since it is larger than the sum of its proper divisors (280502725).

11500610003 is an equidigital number, since it uses as much as digits as its factorization.

11500610003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280502724.

The product of its (nonzero) digits is 90, while the sum is 17.

The spelling of 11500610003 in words is "eleven billion, five hundred million, six hundred ten thousand, three".