1105213513631 has 2 divisors, whose sum is σ = 1105213513632. Its totient is φ = 1105213513630.

The previous prime is 1105213513541. The next prime is 1105213513661. The reversal of 1105213513631 is 1363153125011.

It is a strong prime.

It is an emirp because it is prime and its reverse (1363153125011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1105213513631 - 2²² = 1105209319327 is a prime.

It is a super-2 number, since 2×1105213513631² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105213513661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552606756815 + 552606756816.

It is an arithmetic number, because the mean of its divisors is an integer number (552606756816).

Almost surely, 2^{1105213513631} is an apocalyptic number.

1105213513631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105213513631 is an equidigital number, since it uses as much as digits as its factorization.

1105213513631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 32.

Adding to 1105213513631 its reverse (1363153125011), we get a palindrome (2468366638642).

The spelling of 1105213513631 in words is "one trillion, one hundred five billion, two hundred thirteen million, five hundred thirteen thousand, six hundred thirty-one".