11045665205231 has 2 divisors, whose sum is σ = 11045665205232. Its totient is φ = 11045665205230.

The previous prime is 11045665205093. The next prime is 11045665205249. The reversal of 11045665205231 is 13250256654011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11045665205231 - 2²⁶ = 11045598096367 is a prime.

It is a super-2 number, since 2×11045665205231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11045665205431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5522832602615 + 5522832602616.

It is an arithmetic number, because the mean of its divisors is an integer number (5522832602616).

Almost surely, 2^{11045665205231} is an apocalyptic number.

11045665205231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11045665205231 is an equidigital number, since it uses as much as digits as its factorization.

11045665205231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 11045665205231 in words is "eleven trillion, forty-five billion, six hundred sixty-five million, two hundred five thousand, two hundred thirty-one".