69861351011 has 2 divisors, whose sum is σ = 69861351012. Its totient is φ = 69861351010.

The previous prime is 69861350957. The next prime is 69861351037. The reversal of 69861351011 is 11015316896.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69861351011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69861351011.

It is not a weakly prime, because it can be changed into another prime (69861351041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34930675505 + 34930675506.

It is an arithmetic number, because the mean of its divisors is an integer number (34930675506).

Almost surely, 2^69861351011 is an apocalyptic number.

69861351011 is a deficient number, since it is larger than the sum of its proper divisors (1).

69861351011 is an equidigital number, since it uses as much as digits as its factorization.

69861351011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 69861351011 in words is "sixty-nine billion, eight hundred sixty-one million, three hundred fifty-one thousand, eleven".