43315232155 has 32 divisors (see below), whose sum is σ = 58121199360. Its totient is φ = 30769320960.

The previous prime is 43315232131. The next prime is 43315232173. The reversal of 43315232155 is 55123251334.

It is not a de Polignac number, because 43315232155 - 2²⁵ = 43281677723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43315232155.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 468439 + ... + 553231.

It is an arithmetic number, because the mean of its divisors is an integer number (1816287480).

Almost surely, 2^43315232155 is an apocalyptic number.

43315232155 is a deficient number, since it is larger than the sum of its proper divisors (14805967205).

43315232155 is a wasteful number, since it uses less digits than its factorization.

43315232155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85111.

The product of its digits is 54000, while the sum is 34.

Adding to 43315232155 its reverse (55123251334), we get a palindrome (98438483489).

The spelling of 43315232155 in words is "forty-three billion, three hundred fifteen million, two hundred thirty-two thousand, one hundred fifty-five".