11402130243 has 32 divisors (see below), whose sum is σ = 18042716160. Its totient is φ = 6267509280.

The previous prime is 11402130209. The next prime is 11402130269. The reversal of 11402130243 is 34203120411.

It is not a de Polignac number, because 11402130243 - 2¹² = 11402126147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11402130343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56278 + ... + 161156.

It is an arithmetic number, because the mean of its divisors is an integer number (563834880).

Almost surely, 2^11402130243 is an apocalyptic number.

11402130243 is a deficient number, since it is larger than the sum of its proper divisors (6640585917).

11402130243 is a wasteful number, since it uses less digits than its factorization.

11402130243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105087.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11402130243 its reverse (34203120411), we get a palindrome (45605250654).

The spelling of 11402130243 in words is "eleven billion, four hundred two million, one hundred thirty thousand, two hundred forty-three".