11061603573 has 4 divisors (see below), whose sum is σ = 14748804768. Its totient is φ = 7374402380.

The previous prime is 11061603557. The next prime is 11061603589. The reversal of 11061603573 is 37530616011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (11061603557) and next prime (11061603589).

It is a cyclic number.

It is not a de Polignac number, because 11061603573 - 2⁴ = 11061603557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11061603523) 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, 1843600593 + ... + 1843600598.

It is an arithmetic number, because the mean of its divisors is an integer number (3687201192).

Almost surely, 2^11061603573 is an apocalyptic number.

It is an amenable number.

11061603573 is a deficient number, since it is larger than the sum of its proper divisors (3687201195).

11061603573 is an equidigital number, since it uses as much as digits as its factorization.

11061603573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687201194.

The product of its (nonzero) digits is 11340, while the sum is 33.

The spelling of 11061603573 in words is "eleven billion, sixty-one million, six hundred three thousand, five hundred seventy-three".