11513420002 has 16 divisors (see below), whose sum is σ = 20218689792. Its totient is φ = 4813973280.

The previous prime is 11513419993. The next prime is 11513420003. The reversal of 11513420002 is 20002431511.

It is not an unprimeable number, because it can be changed into a prime (11513420003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10028538 + ... + 10029685.

It is an arithmetic number, because the mean of its divisors is an integer number (1263668112).

Almost surely, 2^11513420002 is an apocalyptic number.

11513420002 is a deficient number, since it is larger than the sum of its proper divisors (8705269790).

11513420002 is a wasteful number, since it uses less digits than its factorization.

11513420002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20058273.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 11513420002 its reverse (20002431511), we get a palindrome (31515851513).

The spelling of 11513420002 in words is "eleven billion, five hundred thirteen million, four hundred twenty thousand, two".