1109937258187 has 2 divisors, whose sum is σ = 1109937258188. Its totient is φ = 1109937258186.

The previous prime is 1109937258161. The next prime is 1109937258217. The reversal of 1109937258187 is 7818527399011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1109937258187 - 2²⁷ = 1109803040459 is a prime.

It is a super-2 number, since 2×1109937258187² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1109937258127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554968629093 + 554968629094.

It is an arithmetic number, because the mean of its divisors is an integer number (554968629094).

Almost surely, 2^{1109937258187} is an apocalyptic number.

1109937258187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109937258187 is an equidigital number, since it uses as much as digits as its factorization.

1109937258187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 61.

The spelling of 1109937258187 in words is "one trillion, one hundred nine billion, nine hundred thirty-seven million, two hundred fifty-eight thousand, one hundred eighty-seven".