1345424111251 has 24 divisors (see below), whose sum is σ = 1556818295760. Its totient is φ = 1158642270720.

The previous prime is 1345424111183. The next prime is 1345424111281. The reversal of 1345424111251 is 1521114245431.

It is not a de Polignac number, because 1345424111251 - 2⁷ = 1345424111123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1345424111281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50732571 + ... + 50759083.

It is an arithmetic number, because the mean of its divisors is an integer number (64867428990).

Almost surely, 2^{1345424111251} is an apocalyptic number.

1345424111251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1345424111251 is a deficient number, since it is larger than the sum of its proper divisors (211394184509).

1345424111251 is a wasteful number, since it uses less digits than its factorization.

1345424111251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48627 (or 48616 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

Adding to 1345424111251 its reverse (1521114245431), we get a palindrome (2866538356682).

The spelling of 1345424111251 in words is "one trillion, three hundred forty-five billion, four hundred twenty-four million, one hundred eleven thousand, two hundred fifty-one".