11045647391 has 2 divisors, whose sum is σ = 11045647392. Its totient is φ = 11045647390.

The previous prime is 11045647369. The next prime is 11045647409. The reversal of 11045647391 is 19374654011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11045647391 - 2¹⁴ = 11045631007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11045641391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5522823695 + 5522823696.

It is an arithmetic number, because the mean of its divisors is an integer number (5522823696).

Almost surely, 2^11045647391 is an apocalyptic number.

11045647391 is a deficient number, since it is larger than the sum of its proper divisors (1).

11045647391 is an equidigital number, since it uses as much as digits as its factorization.

11045647391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 11045647391 in words is "eleven billion, forty-five million, six hundred forty-seven thousand, three hundred ninety-one".