1131187103573 has 2 divisors, whose sum is σ = 1131187103574. Its totient is φ = 1131187103572.

The previous prime is 1131187103539. The next prime is 1131187103591. The reversal of 1131187103573 is 3753017811311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1119579842404 + 11607261169 = 1058102^2 + 107737^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131187103573 - 2³² = 1126892136277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1131187103573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131187108573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565593551786 + 565593551787.

It is an arithmetic number, because the mean of its divisors is an integer number (565593551787).

Almost surely, 2^{1131187103573} is an apocalyptic number.

It is an amenable number.

1131187103573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131187103573 is an equidigital number, since it uses as much as digits as its factorization.

1131187103573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 41.

The spelling of 1131187103573 in words is "one trillion, one hundred thirty-one billion, one hundred eighty-seven million, one hundred three thousand, five hundred seventy-three".