43151340134551 has 16 divisors (see below), whose sum is σ = 48724688730240. Its totient is φ = 37854588765280.

The previous prime is 43151340134471. The next prime is 43151340134557. The reversal of 43151340134551 is 15543104315134.

It is a cyclic number.

It is not a de Polignac number, because 43151340134551 - 2⁹ = 43151340134039 is a prime.

It is a super-3 number, since 3×43151340134551³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43151340134557) 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, 37278481 + ... + 38418586.

It is an arithmetic number, because the mean of its divisors is an integer number (3045293045640).

Almost surely, 2^{43151340134551} is an apocalyptic number.

43151340134551 is a deficient number, since it is larger than the sum of its proper divisors (5573348595689).

43151340134551 is a wasteful number, since it uses less digits than its factorization.

43151340134551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75698894.

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 43151340134551 its reverse (15543104315134), we get a palindrome (58694444449685).

The spelling of 43151340134551 in words is "forty-three trillion, one hundred fifty-one billion, three hundred forty million, one hundred thirty-four thousand, five hundred fifty-one".