11158144002 has 12 divisors (see below), whose sum is σ = 24175978710. Its totient is φ = 3719381328.

The previous prime is 11158143977. The next prime is 11158144009. The reversal of 11158144002 is 20044185111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7473775401 + 3684368601 = 86451^2 + 60699^2 .

It is not an unprimeable number, because it can be changed into a prime (11158144009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 309948427 + ... + 309948462.

Almost surely, 2^11158144002 is an apocalyptic number.

11158144002 is an abundant number, since it is smaller than the sum of its proper divisors (13017834708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11158144002 is a wasteful number, since it uses less digits than its factorization.

11158144002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619896897 (or 619896894 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The spelling of 11158144002 in words is "eleven billion, one hundred fifty-eight million, one hundred forty-four thousand, two".