11685034451 has 2 divisors, whose sum is σ = 11685034452. Its totient is φ = 11685034450.

The previous prime is 11685034367. The next prime is 11685034499. The reversal of 11685034451 is 15443058611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11685034451 - 2¹⁰ = 11685033427 is a prime.

It is not a weakly prime, because it can be changed into another prime (11685030451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5842517225 + 5842517226.

It is an arithmetic number, because the mean of its divisors is an integer number (5842517226).

Almost surely, 2^11685034451 is an apocalyptic number.

11685034451 is a deficient number, since it is larger than the sum of its proper divisors (1).

11685034451 is an equidigital number, since it uses as much as digits as its factorization.

11685034451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 11685034451 in words is "eleven billion, six hundred eighty-five million, thirty-four thousand, four hundred fifty-one".