11402543107 has 2 divisors, whose sum is σ = 11402543108. Its totient is φ = 11402543106.

The previous prime is 11402543081. The next prime is 11402543111. The reversal of 11402543107 is 70134520411.

It is a strong prime.

It is an emirp because it is prime and its reverse (70134520411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11402543107 is a prime.

It is not a weakly prime, because it can be changed into another prime (11402543197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701271553 + 5701271554.

It is an arithmetic number, because the mean of its divisors is an integer number (5701271554).

Almost surely, 2^11402543107 is an apocalyptic number.

11402543107 is a deficient number, since it is larger than the sum of its proper divisors (1).

11402543107 is an equidigital number, since it uses as much as digits as its factorization.

11402543107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 11402543107 in words is "eleven billion, four hundred two million, five hundred forty-three thousand, one hundred seven".