1345112321451 has 8 divisors (see below), whose sum is σ = 1898982100944. Its totient is φ = 843992044800.

The previous prime is 1345112321411. The next prime is 1345112321459. The reversal of 1345112321451 is 1541232115431.

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

It is not a de Polignac number, because 1345112321451 - 2⁶ = 1345112321387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1345112321459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13187375650 + ... + 13187375751.

It is an arithmetic number, because the mean of its divisors is an integer number (237372762618).

Almost surely, 2^{1345112321451} is an apocalyptic number.

1345112321451 is a deficient number, since it is larger than the sum of its proper divisors (553869779493).

1345112321451 is a wasteful number, since it uses less digits than its factorization.

1345112321451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26374751421.

The product of its digits is 14400, while the sum is 33.

Adding to 1345112321451 its reverse (1541232115431), we get a palindrome (2886344436882).

The spelling of 1345112321451 in words is "one trillion, three hundred forty-five billion, one hundred twelve million, three hundred twenty-one thousand, four hundred fifty-one".