11535660002 has 4 divisors (see below), whose sum is σ = 17303490006. Its totient is φ = 5767830000.

The previous prime is 11535659977. The next prime is 11535660007. The reversal of 11535660002 is 20006653511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20006653511 = 13 ⋅1538973347.

It can be written as a sum of positive squares in only one way, i.e., 10485964801 + 1049695201 = 102401^2 + 32399^2 .

It is not an unprimeable number, because it can be changed into a prime (11535660007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2883914999 + ... + 2883915002.

Almost surely, 2^11535660002 is an apocalyptic number.

11535660002 is a deficient number, since it is larger than the sum of its proper divisors (5767830004).

11535660002 is an equidigital number, since it uses as much as digits as its factorization.

11535660002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5767830003.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 11535660002 in words is "eleven billion, five hundred thirty-five million, six hundred sixty thousand, two".