1451201312143 has 16 divisors (see below), whose sum is σ = 1643643666432. Its totient is φ = 1269336780000.

The previous prime is 1451201312087. The next prime is 1451201312233. The reversal of 1451201312143 is 3412131021541.

It is a cyclic number.

It is not a de Polignac number, because 1451201312143 - 2²¹ = 1451199214991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451201312243) 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, 12240783 + ... + 12358768.

It is an arithmetic number, because the mean of its divisors is an integer number (102727729152).

Almost surely, 2^{1451201312143} is an apocalyptic number.

1451201312143 is a deficient number, since it is larger than the sum of its proper divisors (192442354289).

1451201312143 is a wasteful number, since it uses less digits than its factorization.

1451201312143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24599766.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 1451201312143 its reverse (3412131021541), we get a palindrome (4863332333684).

The spelling of 1451201312143 in words is "one trillion, four hundred fifty-one billion, two hundred one million, three hundred twelve thousand, one hundred forty-three".