1111011009973 has 2 divisors, whose sum is σ = 1111011009974. Its totient is φ = 1111011009972.

The previous prime is 1111011009967. The next prime is 1111011010069. The reversal of 1111011009973 is 3799001101111.

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., 974093989444 + 136917020529 = 986962^2 + 370023^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111011009973 - 2⁹ = 1111011009461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111011009943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555505504986 + 555505504987.

It is an arithmetic number, because the mean of its divisors is an integer number (555505504987).

Almost surely, 2^{1111011009973} is an apocalyptic number.

It is an amenable number.

1111011009973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111011009973 is an equidigital number, since it uses as much as digits as its factorization.

1111011009973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701, while the sum is 34.

The spelling of 1111011009973 in words is "one trillion, one hundred eleven billion, eleven million, nine thousand, nine hundred seventy-three".