1345256125043 has 8 divisors (see below), whose sum is σ = 1420658120448. Its totient is φ = 1271263512904.

The previous prime is 1345256125027. The next prime is 1345256125049. The reversal of 1345256125043 is 3405216525431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1345256125043 - 2⁴ = 1345256125027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345256125049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352343855 + ... + 352347672.

It is an arithmetic number, because the mean of its divisors is an integer number (177582265056).

Almost surely, 2^{1345256125043} is an apocalyptic number.

1345256125043 is a deficient number, since it is larger than the sum of its proper divisors (75401995405).

1345256125043 is an equidigital number, since it uses as much as digits as its factorization.

1345256125043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704691633.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 1345256125043 in words is "one trillion, three hundred forty-five billion, two hundred fifty-six million, one hundred twenty-five thousand, forty-three".