1345103251042 has 16 divisors (see below), whose sum is σ = 2048766999552. Its totient is φ = 662190701040.

The previous prime is 1345103251039. The next prime is 1345103251057. The reversal of 1345103251042 is 2401523015431.

It is a junction number, because it is equal to n+sod(n) for n = 1345103250995 and 1345103251013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2169634 + ... + 2719837.

It is an arithmetic number, because the mean of its divisors is an integer number (128047937472).

Almost surely, 2^{1345103251042} is an apocalyptic number.

1345103251042 is a deficient number, since it is larger than the sum of its proper divisors (703663748510).

1345103251042 is a wasteful number, since it uses less digits than its factorization.

1345103251042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4891593.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1345103251042 its reverse (2401523015431), we get a palindrome (3746626266473).

The spelling of 1345103251042 in words is "one trillion, three hundred forty-five billion, one hundred three million, two hundred fifty-one thousand, forty-two".