43125610214551 has 4 divisors (see below), whose sum is σ = 43125683274712. Its totient is φ = 43125537154392.

The previous prime is 43125610214509. The next prime is 43125610214563. The reversal of 43125610214551 is 15541201652134.

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 43125610214551 - 2¹⁵ = 43125610181783 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 (43125610214581) 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, 35637396 + ... + 36827641.

It is an arithmetic number, because the mean of its divisors is an integer number (10781420818678).

Almost surely, 2^{43125610214551} is an apocalyptic number.

43125610214551 is a deficient number, since it is larger than the sum of its proper divisors (73060161).

43125610214551 is an equidigital number, since it uses as much as digits as its factorization.

43125610214551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73060160.

The product of its (nonzero) digits is 144000, while the sum is 40.

Adding to 43125610214551 its reverse (15541201652134), we get a palindrome (58666811866685).

The spelling of 43125610214551 in words is "forty-three trillion, one hundred twenty-five billion, six hundred ten million, two hundred fourteen thousand, five hundred fifty-one".