1110661537 has 2 divisors, whose sum is σ = 1110661538. Its totient is φ = 1110661536.

The previous prime is 1110661483. The next prime is 1110661547. The reversal of 1110661537 is 7351660111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 839202961 + 271458576 = 28969^2 + 16476^2 .

It is an emirp because it is prime and its reverse (7351660111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110661537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110661499 and 1110661508.

It is not a weakly prime, because it can be changed into another prime (1110661547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555330768 + 555330769.

It is an arithmetic number, because the mean of its divisors is an integer number (555330769).

Almost surely, 2^1110661537 is an apocalyptic number.

It is an amenable number.

1110661537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110661537 is an equidigital number, since it uses as much as digits as its factorization.

1110661537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 1110661537 is about 33326.5890393842. The cubic root of 1110661537 is about 1035.6044566771.

The spelling of 1110661537 in words is "one billion, one hundred ten million, six hundred sixty-one thousand, five hundred thirty-seven".