1125435617428 has 12 divisors (see below), whose sum is σ = 1972556403552. Its totient is φ = 561848073560.

The previous prime is 1125435617407. The next prime is 1125435617429. The reversal of 1125435617428 is 8247165345211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125435617429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217430878 + ... + 217436053.

It is an arithmetic number, because the mean of its divisors is an integer number (164379700296).

Almost surely, 2^{1125435617428} is an apocalyptic number.

It is an amenable number.

1125435617428 is a deficient number, since it is larger than the sum of its proper divisors (847120786124).

1125435617428 is a wasteful number, since it uses less digits than its factorization.

1125435617428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434867582 (or 434867580 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 49.

The spelling of 1125435617428 in words is "one trillion, one hundred twenty-five billion, four hundred thirty-five million, six hundred seventeen thousand, four hundred twenty-eight".