5143454021051 has 4 divisors (see below), whose sum is σ = 5215897035504. Its totient is φ = 5071011006600.

The previous prime is 5143454020979. The next prime is 5143454021081. The reversal of 5143454021051 is 1501204543415.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5143454021051 - 2¹⁸ = 5143453758907 is a prime.

It is a super-2 number, since 2×5143454021051² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5143454021081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36221507120 + ... + 36221507261.

It is an arithmetic number, because the mean of its divisors is an integer number (1303974258876).

Almost surely, 2^{5143454021051} is an apocalyptic number.

5143454021051 is a deficient number, since it is larger than the sum of its proper divisors (72443014453).

5143454021051 is an equidigital number, since it uses as much as digits as its factorization.

5143454021051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72443014452.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 5143454021051 its reverse (1501204543415), we get a palindrome (6644658564466).

The spelling of 5143454021051 in words is "five trillion, one hundred forty-three billion, four hundred fifty-four million, twenty-one thousand, fifty-one".