43801134081 has 16 divisors (see below), whose sum is σ = 60362717184. Its totient is φ = 28235124944.

The previous prime is 43801134029. The next prime is 43801134101. The reversal of 43801134081 is 18043110834.

It is a cyclic number.

It is not a de Polignac number, because 43801134081 - 2⁷ = 43801133953 is a prime.

It is a super-2 number, since 2×43801134081² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43801134011) 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, 1859661 + ... + 1883066.

It is an arithmetic number, because the mean of its divisors is an integer number (3772669824).

Almost surely, 2^43801134081 is an apocalyptic number.

It is an amenable number.

43801134081 is a deficient number, since it is larger than the sum of its proper divisors (16561583103).

43801134081 is a wasteful number, since it uses less digits than its factorization.

43801134081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742860.

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 43801134081 in words is "forty-three billion, eight hundred one million, one hundred thirty-four thousand, eighty-one".