11402031871 has 2 divisors, whose sum is σ = 11402031872. Its totient is φ = 11402031870.

The previous prime is 11402031863. The next prime is 11402031913. The reversal of 11402031871 is 17813020411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11402031871 - 2³ = 11402031863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11402032871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701015935 + 5701015936.

It is an arithmetic number, because the mean of its divisors is an integer number (5701015936).

Almost surely, 2^11402031871 is an apocalyptic number.

11402031871 is a deficient number, since it is larger than the sum of its proper divisors (1).

11402031871 is an equidigital number, since it uses as much as digits as its factorization.

11402031871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 28.

The spelling of 11402031871 in words is "eleven billion, four hundred two million, thirty-one thousand, eight hundred seventy-one".