111909463933 has 2 divisors, whose sum is σ = 111909463934. Its totient is φ = 111909463932.

The previous prime is 111909463901. The next prime is 111909463951. The reversal of 111909463933 is 339364909111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56007008964 + 55902454969 = 236658^2 + 236437^2 .

It is a cyclic number.

It is not a de Polignac number, because 111909463933 - 2⁵ = 111909463901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111909463973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55954731966 + 55954731967.

It is an arithmetic number, because the mean of its divisors is an integer number (55954731967).

Almost surely, 2^111909463933 is an apocalyptic number.

It is an amenable number.

111909463933 is a deficient number, since it is larger than the sum of its proper divisors (1).

111909463933 is an equidigital number, since it uses as much as digits as its factorization.

111909463933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 472392, while the sum is 49.

The spelling of 111909463933 in words is "one hundred eleven billion, nine hundred nine million, four hundred sixty-three thousand, nine hundred thirty-three".