1125825739919 has 4 divisors (see below), whose sum is σ = 1137432190944. Its totient is φ = 1114219288896.

The previous prime is 1125825739837. The next prime is 1125825739921. The reversal of 1125825739919 is 9199375285211.

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

It is a cyclic number.

It is not a de Polignac number, because 1125825739919 - 2²⁸ = 1125557304463 is a prime.

It is a super-2 number, since 2×1125825739919² (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 (1125825739019) 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, 5803225367 + ... + 5803225560.

It is an arithmetic number, because the mean of its divisors is an integer number (284358047736).

Almost surely, 2^{1125825739919} is an apocalyptic number.

1125825739919 is a deficient number, since it is larger than the sum of its proper divisors (11606451025).

1125825739919 is an equidigital number, since it uses as much as digits as its factorization.

1125825739919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11606451024.

The product of its digits is 12247200, while the sum is 62.

The spelling of 1125825739919 in words is "one trillion, one hundred twenty-five billion, eight hundred twenty-five million, seven hundred thirty-nine thousand, nine hundred nineteen".