1011112001953 has 2 divisors, whose sum is σ = 1011112001954. Its totient is φ = 1011112001952.

The previous prime is 1011112001897. The next prime is 1011112002011. The reversal of 1011112001953 is 3591002111101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 537447339664 + 473664662289 = 733108^2 + 688233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011112001953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011112008953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505556000976 + 505556000977.

It is an arithmetic number, because the mean of its divisors is an integer number (505556000977).

Almost surely, 2^{1011112001953} is an apocalyptic number.

It is an amenable number.

1011112001953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011112001953 is an equidigital number, since it uses as much as digits as its factorization.

1011112001953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 25.

The spelling of 1011112001953 in words is "one trillion, eleven billion, one hundred twelve million, one thousand, nine hundred fifty-three".