1110161606531 has 2 divisors, whose sum is σ = 1110161606532. Its totient is φ = 1110161606530.

The previous prime is 1110161606509. The next prime is 1110161606573. The reversal of 1110161606531 is 1356061610111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1110161606531 - 2¹⁸ = 1110161344387 is a prime.

It is a super-2 number, since 2×1110161606531² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1110161606501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555080803265 + 555080803266.

It is an arithmetic number, because the mean of its divisors is an integer number (555080803266).

Almost surely, 2^{1110161606531} is an apocalyptic number.

1110161606531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110161606531 is an equidigital number, since it uses as much as digits as its factorization.

1110161606531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 32.

The spelling of 1110161606531 in words is "one trillion, one hundred ten billion, one hundred sixty-one million, six hundred six thousand, five hundred thirty-one".