5451215043 has 4 divisors (see below), whose sum is σ = 7268286728. Its totient is φ = 3634143360.

The previous prime is 5451215039. The next prime is 5451215047. The reversal of 5451215043 is 3405121545.

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

It is an interprime number because it is at equal distance from previous prime (5451215039) and next prime (5451215047).

It is not a de Polignac number, because 5451215043 - 2² = 5451215039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5451215043.

It is not an unprimeable number, because it can be changed into a prime (5451215047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 908535838 + ... + 908535843.

It is an arithmetic number, because the mean of its divisors is an integer number (1817071682).

Almost surely, 2^5451215043 is an apocalyptic number.

5451215043 is a deficient number, since it is larger than the sum of its proper divisors (1817071685).

5451215043 is a wasteful number, since it uses less digits than its factorization.

5451215043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817071684.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 5451215043 is about 73832.3441521397. The cubic root of 5451215043 is about 1759.9396332385.

Adding to 5451215043 its reverse (3405121545), we get a palindrome (8856336588).

The spelling of 5451215043 in words is "five billion, four hundred fifty-one million, two hundred fifteen thousand, forty-three".