11402331947 has 2 divisors, whose sum is σ = 11402331948. Its totient is φ = 11402331946.

The previous prime is 11402331931. The next prime is 11402331959. The reversal of 11402331947 is 74913320411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11402331947 - 2⁴ = 11402331931 is a prime.

It is not a weakly prime, because it can be changed into another prime (11402331977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701165973 + 5701165974.

It is an arithmetic number, because the mean of its divisors is an integer number (5701165974).

Almost surely, 2^11402331947 is an apocalyptic number.

11402331947 is a deficient number, since it is larger than the sum of its proper divisors (1).

11402331947 is an equidigital number, since it uses as much as digits as its factorization.

11402331947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 11402331947 in words is "eleven billion, four hundred two million, three hundred thirty-one thousand, nine hundred forty-seven".