9955363111931 has 2 divisors, whose sum is σ = 9955363111932. Its totient is φ = 9955363111930.

The previous prime is 9955363111921. The next prime is 9955363111937. The reversal of 9955363111931 is 1391113635599.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9955363111931 - 2¹⁰ = 9955363110907 is a prime.

It is a super-2 number, since 2×9955363111931² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9955363111937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4977681555965 + 4977681555966.

It is an arithmetic number, because the mean of its divisors is an integer number (4977681555966).

Almost surely, 2^{9955363111931} is an apocalyptic number.

9955363111931 is a deficient number, since it is larger than the sum of its proper divisors (1).

9955363111931 is an equidigital number, since it uses as much as digits as its factorization.

9955363111931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2952450, while the sum is 56.

The spelling of 9955363111931 in words is "nine trillion, nine hundred fifty-five billion, three hundred sixty-three million, one hundred eleven thousand, nine hundred thirty-one".