111269663993 has 2 divisors, whose sum is σ = 111269663994. Its totient is φ = 111269663992.

The previous prime is 111269663983. The next prime is 111269664007. The reversal of 111269663993 is 399366962111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110152299664 + 1117364329 = 331892^2 + 33427^2 .

It is a cyclic number.

It is not a de Polignac number, because 111269663993 - 2¹⁶ = 111269598457 is a prime.

It is not a weakly prime, because it can be changed into another prime (111269663903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55634831996 + 55634831997.

It is an arithmetic number, because the mean of its divisors is an integer number (55634831997).

Almost surely, 2^111269663993 is an apocalyptic number.

It is an amenable number.

111269663993 is a deficient number, since it is larger than the sum of its proper divisors (1).

111269663993 is an equidigital number, since it uses as much as digits as its factorization.

111269663993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2834352, while the sum is 56.

The spelling of 111269663993 in words is "one hundred eleven billion, two hundred sixty-nine million, six hundred sixty-three thousand, nine hundred ninety-three".