1257833113069 has 16 divisors (see below), whose sum is σ = 1373784983424. Its totient is φ = 1144626235200.

The previous prime is 1257833113021. The next prime is 1257833113087. The reversal of 1257833113069 is 9603113387521.

It is a cyclic number.

It is not a de Polignac number, because 1257833113069 - 2¹¹ = 1257833111021 is a prime.

It is a super-2 number, since 2×1257833113069² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1257833113169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12216327 + ... + 12318859.

It is an arithmetic number, because the mean of its divisors is an integer number (85861561464).

Almost surely, 2^{1257833113069} is an apocalyptic number.

It is an amenable number.

1257833113069 is a deficient number, since it is larger than the sum of its proper divisors (115951870355).

1257833113069 is a wasteful number, since it uses less digits than its factorization.

1257833113069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115908.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 1257833113069 in words is "one trillion, two hundred fifty-seven billion, eight hundred thirty-three million, one hundred thirteen thousand, sixty-nine".