1126694518249 has 4 divisors (see below), whose sum is σ = 1126700845380. Its totient is φ = 1126688191120.

The previous prime is 1126694518217. The next prime is 1126694518283. The reversal of 1126694518249 is 9428154966211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 116388098649 + 1010306419600 = 341157^2 + 1005140^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126694518249 - 2⁵ = 1126694518217 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1126694518193 and 1126694518202.

It is not an unprimeable number, because it can be changed into a prime (1126694518949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2888482 + ... + 3255259.

It is an arithmetic number, because the mean of its divisors is an integer number (281675211345).

Almost surely, 2^{1126694518249} is an apocalyptic number.

It is an amenable number.

1126694518249 is a deficient number, since it is larger than the sum of its proper divisors (6327131).

1126694518249 is an equidigital number, since it uses as much as digits as its factorization.

1126694518249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6327130.

The product of its digits is 7464960, while the sum is 58.

The spelling of 1126694518249 in words is "one trillion, one hundred twenty-six billion, six hundred ninety-four million, five hundred eighteen thousand, two hundred forty-nine".