1345125543256 has 64 divisors (see below), whose sum is σ = 3022125292800. Its totient is φ = 554056272000.

The previous prime is 1345125543241. The next prime is 1345125543259. The reversal of 1345125543256 is 6523455215431.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345125543259) 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, 17450695 + ... + 17527606.

It is an arithmetic number, because the mean of its divisors is an integer number (47220707700).

Almost surely, 2^{1345125543256} is an apocalyptic number.

It is an amenable number.

1345125543256 is an abundant number, since it is smaller than the sum of its proper divisors (1676999749544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345125543256 is a wasteful number, since it uses less digits than its factorization.

1345125543256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34978360 (or 34978356 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 46.

The spelling of 1345125543256 in words is "one trillion, three hundred forty-five billion, one hundred twenty-five million, five hundred forty-three thousand, two hundred fifty-six".