43111366612155 has 48 divisors (see below), whose sum is σ = 77524639920000. Its totient is φ = 22136265946368.

The previous prime is 43111366612141. The next prime is 43111366612177. The reversal of 43111366612155 is 55121666311134.

It is not a de Polignac number, because 43111366612155 - 2⁵ = 43111366612123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 43111366612155.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46873395 + ... + 47784284.

It is an arithmetic number, because the mean of its divisors is an integer number (1615096665000).

Almost surely, 2^{43111366612155} is an apocalyptic number.

43111366612155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

43111366612155 is a deficient number, since it is larger than the sum of its proper divisors (34413273307845).

43111366612155 is a wasteful number, since it uses less digits than its factorization.

43111366612155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94658068 (or 94658065 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The spelling of 43111366612155 in words is "forty-three trillion, one hundred eleven billion, three hundred sixty-six million, six hundred twelve thousand, one hundred fifty-five".